4 years ago

3.82e+7 in standard form explain

1 answer:

3 0

" e+7 " means the same thing as " x 10⁷ ".

They both mean "move the decimal point 7 places that way ===> ."

So take the 3.82 and do that to it.

If there aren't enough places to move the decimal point far enough,
then add some zeros onto the end of the 3.82 before you move
the point.

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A bookstore had 45 copies of a magazine. Yesterday, it sold 2/3 of them. Today, it sold 3/5 of what remained. How many copies do

Firdavs [7]

The bookstore has 10 copies left.

Step- By- Step Explanation

After the first day, 1/3 of the original amount remained: (1/3)·45 = 15

After the second day, 2/3 of that amount remained: (2/3)·15 = 10

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3 years ago

What is the square root of 96 Follow my new brainly at: fol

Ugo [173]

Answer:

4√6

Step-by-step explanation:

For right now, I will assume that the "Follow my new brainly at.." part is irrelevant.

Anyways, to find the square root of a number, usually the best way is to find its prime factorization first:

96 : $2^5\cdot \:3$

We can rewrite that as:

$\sqrt{2^4\cdot \:2\cdot \:3}$

Simplify!

$2^{\frac{4}{2}}\sqrt{2\cdot \:3}$

Since $2^{\frac{4}{2}}\sqrt{2\cdot \:3}$ is the same thing as $4\sqrt{6}$ , that is our answer.

Thusly, as seen above, the answer is $\boxed{4\sqrt{6}}$ .

Hope this helps! ((;

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3 years ago

True or false: Over a continuous increasing interval on a reciprocal function, the original function is decreasing.

iragen [17]

Because the reciprical is the opposite, it is true. I hope this helps!

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3 years ago

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A swimming pool had 2.5 million liters of water in it. Some water evaporated, and then the pool only had 2 million liters of wat

shepuryov [24]

Original volume = 2.5 million liters.
After evaporation, the remaining volume is 2 million liters, therefore
Evaporated volume = 2.5 - 2 = 0.5 million liters.

Percent of water evaporated = 100*(0.5/2.5) = 20%

Answer: 20%

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4 years ago

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olganol [36]

Answer:

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Step-by-step explanation:

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