What is the scientific notation of 0.0121

Answers

Answer 1

Answer: You move to the right, so the exponent is gonna be negative.
1.21 * 10-²

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How many fourths are there in 2 1/4?

Answers

There are nine fourth in 2 1/4.

Here,

Mixed fraction is given as;

⇒ $2(1)/(4)$

We have to find the number of fourth in $2(1)/(4)$

What is Mixed fraction?

A fraction which represents with its quotient and remainder is called Mixed fraction.

Now,

Mixed fraction is given as;

⇒ $2(1)/(4)$

To solve mixed fraction we get;

$2(1)/(4) = (4*2+1)/(4) = (9)/(4)$

Hence, There are 9 fourth in $2(1)/(4)$ .

Learn more about the mixed fraction visit:

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THere are nine fourths; 4 in 1, 4 in another one, so if it was 2, you would have 8 fourths, then plus one fourth, so 9.

Brian flips two coins. How many are in the sample space for flipping two coins?

Answers

Heads: 50%
Tails: 50%
Total: 50 50 chance

Claudia did homework for 2 hours. She did science homework for 47 minutes, math homework for 37 minutes, and Spanish homework for the rest of the time. What percentage of Claudia’s homework time did she spend on Spanish homework?

Answers

Is 47 hope it help you

You should do 47

$47 - 37 = 10$

She spent 10 minutes on her Spanish homework

Mr. Stevens bought 8 liters of soda for a party. His friends drank 1 liter. What fraction of the soda did his guests drink? What fraction of the soda was left?

Answers

1/8 is the fraction of the people who drank the soda, and 7/8 is the fraction of the soda that is left

What is the distance between point A and point B? Round to the nearest tenth.A.
9.1 units

B.
2.2 units

C.
8.5 units

D.
4.6 units

Answers

distance formula is like pythagoren ahtoerem
D= $\sqrt{(7-2)^(2)+(5-8)^(2)}$
the distance between oints (x1,y1) and (x2,y2) is
D= $\sqrt{(x1-x2)^(2)+(y1-y2)^(2)}$
A=(-3,-1) and (5,2)
D= $\sqrt{(-3-5)^(2)+(-1-2)^(2)}$
D= $\sqrt{(-8)^(2)+(-3)^(2)}$
D= $√(64+9)$
D= $√(73)$
aprox
D=8.54
round
D=8.5 units

C
apxos
D=5.8309....

round
D=5.8 units

B. 2.2 units

That's my answer

Explain why 7 times X/7 =X ?
How does this relate to solving division equations ?

Answers

I did this in school and the X is being divided by seven so you have to divide to get X

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