Express the mass of 49,000 molecules of oxygen in scientific notation.
grams

Answers

Answer 1

The scientific notation for the mass of 49,000 molecules of oxygen is 4.9 × 10⁴ grams.

How do you define the scientific notation?

To transform numbers into scientific notation, use the following rule: In scientific notation, the exponent equals the number of times the decimal point must always be shifted to produce a number between 1 and 10.

The proper scientific notation format is an x 10∧b, where an is a number or decimal number with an absolute value greater or equal to one and less than ten, or 1 |a| 10.Scientific notation is a method of writing extremely large or extremely small numbers in a way that makes them easier to read as well as work with. A number formed by multiplying a number greater or equal to one but less than ten by an integral power of ten.

For the given value;

= 49,000 grams

write the number such that only one digit is left to the left of decimal of the number and the remaining digits to the write are written to the power of 10

= 4.9000 × 10⁴

This could be written as;

= 4.9 × 10⁴.

Therefore, the value of the mass of 49,000 oxygen molecules in the form of scientific notation is 4.9 × 10⁴ grams.

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Related Questions

r= x + 9x

Solve the literal equation for x

Show steps please im confused

Answers

r=x+9x

you add the invisible 1 beside the first x and 9x

so you would get

r=10x

you then which the sides of the equation

10x = r

you divide both sides by 10

x= 1/10r

The linear equation in terms of the variable R is determined as x = R/10.

Given data:

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

The given equation is:

R = x + 9x

First, let's combine the like terms on the right side of the equation:

R = 1x + 9x

R = 10x

Now, we want to solve for x. To isolate x, divide both sides of the equation by 10:

R/10 = x

So, the solution for x is:

x = R/10

Hence, the expression for in terms of R is x = R/10.

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Sasha has c green notebooks. she has 6 fewer red notebooks then green notebooks. how many notebooks does sasha have in all.

Answers

The total number of notebooks on Sasha's notebook is 2c - 6.

Unitary method:

The unitary method is used to solve problems by first determining the value of a single unit and then multiplying that value by the required value.

So, this method is basically used to find the value of a unit and then the value of a required number of units.

Given,

Sasha has c green notebooks.

She has 6 fewer red notebooks then green notebooks.

So, here we need to find how many notebooks does Sasha have in all.

We know that.

Sasha has c green notebooks.

The number of red notebooks on her is  

=> c − 6.

Here Sasha has either green or red notebooks.

The total number of notebooks on Sasha's notebook is  

=> c + c − 6

=> 2c - 6

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Find the 9th term of the arithmetic sequence 4x+44x+4, 9x+119x+11, 14x+18, 14x+18,...

Answers

Answer:

T9=60

Step-by-step explanation:

step 1: solve for x

it is an arithmetic pattern,so the 1st difference is the common difference (d)

therefore...9x+199x+11-(4x+44x+4)=14x+18-(9x+199x+11)

128x+11-48x-4=14x+18-128x-11

80x+7=-144x+7

80x+144x=7-7

224x=0

224x/224=0/224

X=0

step 2: substitute for x

4(0)+44(0)+4=4[1st term]

9(0)+119(0)+11=11(2nd term)

14(0)+18=18(3rd term)

step 3:find the common difference

d=3rd term- 2nd term, 2nd term-1st term

3rd term-2nd term

18-11=7

2nd term-1st term

11-4=7

therefore...d=7

step 4:find the general formula

we use the formula Tn=a+(n-1)d to find the general formula/ nth term

where: Tn is the nth term

a is the first term

n is the number of term

d is the common difference

Tn=a+(n-1)d

=4+(n-1)7

=4+7n-7

=7n-3

step 5:find the 9th term

Tn=a+(n-1)d

=7n-3

=7(9)-3

=60

What is the mode for this problem?

Answers

I think the answer is 65

The value of an item (X) is greater than or equal to $5. Which represents this statement?

Answers

The value of an item is greater than or equal to 5. This statement is represented by the inequality [tex]x\geq 5[/tex] .

An inequality is a mathematical relation which compares the values of two different entities.

The various symbols used in expressing inequalities are

a>b    means a is greater than bb<a    means b is less than a[tex]a\geq b[/tex]  means a is greater than or equal to b[tex]a\leq b[/tex]  means a is less than or equal to b.

Linear inequalities in one variable are represented on the number line.

For example: a>100 represents all numbers greater than 100 along the number line

Linear inequalities in two variables are represented as a region in a cartesian plane.

For example: 2x+3y<6 represents a region below the straight line 2x+3y=6.

The given statement denotes that the value of the item is greater than or equal to 5.

Therefore the required inequality is : [tex]x\geq 5[/tex].

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Shaneya purchased a membership to play basketball at her local gym. The membership costs $150 for the year, plus she pays $2 to rent equipment each time she goes. If Shaneya doesn't want to spend any more than $300 on basketball for the year, what is the maximum amount of times can she go to the gym to play?

Answers

Answer: maximum amount: 75 times a year

Step-by-step explanation:

The probability that the interval estimation procedure will generate an interval that contains the actual value of the population parameter being estimated is the _____.

Answers

The population parameter being estimated is the confidence coefficient.

What is a confidence coefficient?

The confidence coefficient is the confidence level stated as a proportion, rather than as a percentage. For example, if you had a confidence level of 99%, the confidence coefficient would be . 99. In general, the higher the coefficient, the more certain you are that your results are accurate.

probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

Hence, The probability that the interval estimation procedure will generate an interval that does not contain the actual value of the population parameter being estimated is the confidence coefficient.

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(4)(4) -4(-5)(-1) who ever knows this thank you<3

Answers

The answer of [tex](4)(4) -4(-5)(-1)[/tex] is [tex]-4[/tex]

We are supposed to find the answer of [tex](4)(4) -4(-5)(-1)[/tex].

This question is a classic example of the BODMAS rule in mathematics.

According to this rule, first we solve the sum inside bracket (be it any operation like division, multiplication, addition or subtraction) then division operation if present in the question followed by multiplication then addition and followed by subtraction.

Here in the question given [tex](4)(4) -4(-5)(-1)[/tex], we use BODMAS to solve it.

Let x be the answer of the above question, Therefore

[tex]x=(4)(4) -4(-5)(-1) \\x=(4*4)-4(5)\\x=(16)-(20)\\x=(16-20)\\x=-4[/tex]

Therefore[tex](4)(4) -4(-5)(-1)[/tex] = -[tex]4[/tex]

BODMAS: The BODMAS rule follows the order of the BODMAS abbreviated for B – Brackets, O – Order of powers or roots, D – Division, M – Multiplication A – Addition, and S – Subtraction. The BODMAS rule states that mathematical expressions with more than one operators need to be solved from left to right in the order of BODMAS.

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What will these look like?

Answers

Answer:

Step-by-step explanation:

how can you begin solving a multi-step problem

Answers

Answer:

Step-by-step explanation:Answer:it Varys depending on the type of problem

Step-by-step explanation:Answer:

It Varys depending on what type of multi step problem

Step-by-step explanation:

if it has parentheses () then you do whatever problem is in the parentheses next is exponents which is the number of times a number is multiplied by itself the next thing you want to do is multiplication and division from left to right the last thing you will do for a multi step problem is Addition and subtraction from left to right always remember P. E.M.D.A.S for parentheses, exponents, multiplication, division, addition and subtraction.

Statistics on women in politics highlight that women - who make up over 50 percent of the u.s. population - are ________ in high government positions.

Answers

Statistics on women in politics highlight that woman - who make up over 50 percent of the U.S. population - are substantially lag in high government positions.

In U.S. the population of Women are 50.8 percent. Approximately, 60 percent of women have their undergraduate degree, and 60 percent of women have their master's degree. They are very well educated. They earn almost 60 percent of law degrees.

But, when it comes to representation in high government positions, they substantially lag behind men. There are only 14.6 percent of executive officers, they hold only 24.2 percent of state legislative seats. They hold only 18.5 percent of congressional seats, and they are just 20 percent of U.S. senators.

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evaluate
(1 +-3)²(-4--3)

Answers

Answer:-4

Step-by-step explanation:

ANSWER PLS PLS PLS PLS PS I NEED HELP WITH THE TEST REACH OU TO ME

Answers

Part(A) Leslie's initial investment was $500 and

Part(B) The quarterly interest rate is 10.4 %

What is compound interest?

Compound interest is the interest calculated on the principal amount , which also considers all the accumulated interest of previous periods of deposit or loan.

If P is the principal amount and rate of compound interest is r  then after t years of time , the present amount (if the interest is compounded annually) will be = P(1+(r/100))^n

If the interest is compounded quarterly, then the present amount be A

Where A = [tex]P (1+\frac{r/4}{100} )^{4t}[/tex]

Given that Leslie invests in a bank that earns interest quarterly , and account balance after t years is given as 500(1.026)^(4t)

A= [tex]P (1+\frac{r/4}{100} )^{4t} = 500(1.026)^{4t\\[/tex]

Comparing both sides we get P = 500

And 1+(r/400)=1.026

(r/400)=1.026-1

(r/400)=.026

r=400(0.26) = 10.4 %

Therefore , Leslie's initial investment was $500 and the quarterly interest rate is 10.4 %

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I don’t understand this so if anyone can help?

Answers

Answer:

0.84

4.48

5.32

Step-by-step explanation:

is x-2 a equation? explain

Answers

No, I don’t think so because an equation is anything with an equal sign so x = 2 is an equation but not x - 2

Answer:

no

Step-by-step explanation:

an equation must and always have an equal sign(=) otherwise it is an expression e.g. 2x-3y or x-2

an equation will look like this: a=b or other equations

In a random sample of 200 engineers, 137 have a master's degree. what is the sample proportion, p-hat, of engineers who have master's degrees?

Answers

The sample proportion, p-hat, of engineers who have master's degrees is   68.5% out of 200 engineers.

p-hat proportion:

In this proportion,  "p" denotes the probability of a certain event occurring or a certain parameter being true for a certain population, but when a population is large, it may be impractical or impossible to measure it directly. So, we have used the proportion for that cases.

The general form for calculating p-hat proportion is,

[tex]\hat{p}=\frac{x}{y}[/tex]

where

x  is the number of successes in the sample, and

y is the size of the sample.

Given,

In a random sample of 200 engineers, 137 have a master's degree.

Here we need to find the the sample proportion, p-hat, of engineers who have master's degrees

According to the question,

x = 137 (number of successes in the sample)

and y = 200 (size of the sample)

Now apply the value on the formula then we get,

[tex]\hat{p}=\frac{137}{200}[/tex]

So, the value of p-hat is

[tex]\hat{p}=0.685[/tex]

The results are usually reported as a percentage, which in this case would be

=> 0.685 x 100 = 68.5%

Therefore, the sample proportion, p-hat, of engineers who have master's degrees is 68.5% out of 200 engineers.

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The ratio of 6th grade basketball players to 6th grade volleyball players is 5:2 if THERE ARE 30 BASKETBALL PLAYERS HOW MANY VOLLEYBALL AYERS ARE THERE

Answers

Answer: There are 12 volleyball players

Step-by-step explanation:

If the ratio of basket to volleyball players is 5:2 and there are 30 known basket ball players that means the ratio can be written as 30:x.

If 30 is 5 parts (5x) and volleyball players is 2 parts (2x)  we need to figure out the value of 1 part (x)

This can be done by

5x=30

x=6

Now we know what 1 part is, we can now use that two figure out 2 parts

2x or 2(6)

2(6) = 12

So the ratio is 30:12. This can be confirmed by dividing both sides of the radio by 6 to get 5:2

4 plus 10 plus 12 plus 7

Answers

Answer:

33

Step-by-step explanation:

4+10+12+7

3.1 Activity 3 - Individual Assessment (Volumes) ​

Answers

Step-by-step explanation:

3.1.1 The base of the prism is a rectangle.we know this by checking the properties of the base,that is, opposite side are equal and it has all angles equal to 90°

3.1.2the area of a rectangle is calculated using the formula: A=LxB

where: A is the Area

L is the Length of the shape

B is the breadth

3.1.3 to calculate the volume of a prism we can use the formula V=A(base)xh

where:V is the volume

A is the area of the base

h is the height of the prism

3.1.4V=Axh

=(LxB)xh

=(140mm x 115mm)x 125mm

=2012500mm³

Is the following relation a function? Justify your answer.


Yes, because each output value has only one input value
Yes because each input value has only one output value
No, because there is an input value with more than one output value
No, because there is an output value with more than one input value

Answers

Answer:

No, because there is an output value with more than one input value.

Step-by-step explanation:

If you are using the same function equation, than you should not get the same output if you use two different inputs.

please help please help this is easy but hard for me lol

Answers

Answer:

To make AEH(triangle) do a vertical cut from A to H

Step-by-step explanation:

The percentage of organ donors who died from drug overdoses changed by 9.34% - 1.10% =8.24% between 2000 and 2015. what is this as a percentage of donors dying from drug overdoses in 2000?

Answers

The current percentage in comparison to in the year 2000 is 88.22%.

We are given the percentage of death in the year 2000, 2015 and the difference. Now, we have to find the percentage of donors between change and the original deaths in the year 2000.

To find this, we will use the following formula -

Percentage change = Difference between the percentage change in the year 2000 to 2015 ÷ Percentage of deaths in the year 2000 ×100

Now, keep the values in formula to find the percentage change.

Percentage change = [tex]\frac{8.24}{9.34} *100[/tex]

Performing division to find the percentage change

Percentage change = 0.882*100

Further performing multiplication to get the answer in the form of percentage

Percentage change = 88.22%

Hence, the comparison of difference with the percentage of donors dying from drug overdoses in 2000 is 88.22%.

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(-5a+6)(-4a+3)

Cannot be a fraction

Answers

Hey there!

To solve this problem, we will take a look at the FOIL Method.

What is "FOIL"?

FOIL is a simple acronym that can be used to multiply binomials. It stands for:

F - Front

O - Outer

I - Inner

L - Last

See the image below for an example of how to use this in the given situation.

Apply

Front: Multiply the two terms out in the front.

[tex](-5a)(-4a) = 20a^2[/tex]

Outer: Multiply the two terms on the outsides.

[tex](-5a)(3)=-15a[/tex]

Inner: Multiply the two terms on the insides.

[tex](6)(-4a)=-24a[/tex]

Last: Multiply the two terms in the back.

[tex](6)(3)=18[/tex]

Add

Now, we add all of our answers from above:

[tex]20a^2-15a-24a+18[/tex]

Simplify

Simplify by combining like terms:

[tex]20a^2-39a+18[/tex]

There's our answer!

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Lenny starts a lemonade stand for the summer. He thinks that he should be able to operate his business for 10 weeks. the table shows the expenses and revenue after 1 week. Based on this, how much konry will Lenny make during the 1o weeks ​

Answers

10 weeks sum sum sum sum sum

Find missing angles of the following

Answers

Answer:

see below

Step-by-step explanation:

angle e is a vertical angle(each of the pairs of opposite angles made by two intersecting lines.) of 114 so e=114 and angle d is the vertical angle of 22 so d=22. and finally angles d+f+e=180

114+22+?=180

?=180-114-22

?=180-136

?=44

e=144

d=22

f=44

13. Simplify the expression.
-(10)-2

Answers

The expression will be 0.01

Simplifying an expression is just another way to say solving a math problem. When you simplify an expression, you're basically trying to write it in the simplest way possible. At the end, there shouldn't be any more adding, subtracting, multiplying, or dividing left to do

Rewrite the expression using the negative exponent rule b

b₋ⁿ= 1/b-ⁿ

⁺1/10²

Raise

10

to the power of

2

The result can be shown in multiple forms.

Exact Form:

1/100

Decimal Form:

0.01

So therefore the expression will be 0.01.

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Pls help me

44.00 divided by 2.20
with problem work pLSS Help me !!

Answers

44.00 would be turned into 4,400 and 2.20 would be 220, divide 4,400 and 220 and that equals 20
20 bc 44 / 2.20 is equal to 20

Lucy's dog lost 6 pounds. How much weight does her dog have to gain in order to have a net change of 0 pounds?

Answers

Lucy's dog needs to gain 6 pounds.

Lucy's dog lost 6 pounds so the dog will have to gain 6 pounds.

Five Spanish friends are playing in a house. Cammy, Ann, Rake, Dora, Stephen. Cammy and Ann are playing Chess, while Rake and Dora are playing together. Then Stephen is playing by himself, which would mean he is playing One player games. Can you figure out which game they are playing?

Answers

Answer:

Step-by-step explanation:A. ​Solution:

So we know that Ann and Cammy are playing Chess, and Stephen is playing by himself, which would mean he is playing -ONE-player games. So we have Rake and Dora, when you see their names, it creates a word. Cammy, Ann, Rake, Dora, and Stephen.

                                                                                                                                          C           A      R        D              S

So Rake and Dora are playing cards. But what kind of cards? The ONE is spotlighted for clues, we have Spanish. So -ONE- in Spanish is UNO. If you search UNO, its a card game, TAAAAADDDDDDDDDAAAAAAAAA.

What is the slope of the line in the graph?
a)-4/3
b)-3/4
c)3/4 or
d)4/3
i will mark brainliest
100pts

Answers

Answer:

B

Step-by-step explanation:

The slope of a line is written as a fraction of the vertical distance to the horizontal distance. The line drops down from (0,1) to (4,-2). This is a vertical distance of -3 and a horizontal distance of 4. The slope if the fraction -3/4.

Answer:

[tex] \sf \: b) \: \frac{ - 3 \: }{ 4} [/tex]

Step-by-step explanation:

The coordinates are,

→ x1 = 4, y1 = -2

→ x2 = -4, y2 = 4

Formula we use,

Slope(m) = (y2 - y1)/(x2 - x1)

Now the required slope will be,

→ m = (y2 - y1)/(x2 - x1)

→ m = (4 -(-2))/(-4 - 4)

→ m = (4 + 2)/-8

→ m = 6/-8

→ [ m = -3/4 ]

Hence, the option (b) is correct.

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