3 years ago

A certain microscope is able to magnify an object up to 100,000 times its original size. In scientific notation, 100,000 is

Mathematics

1 answer:

vova2212 [387]3 years ago

3 0

1.0x10 to the fifth :)

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It takes 0.0015 quart of paint to cover 1 square inch.

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The total amount of paint needed is 15 quart and it cost $41.25.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

0.0015 quart of paint to cover 1 square inch.

Let the area of the rectangle be 10000 in², hence:

Amount of paint = 0.0015 quart per in² * 1000 in² = 15 quart

Cost of paint = $2.75 per quart * 15 quart = $41.25

The total amount of paint needed is 15 quart and it cost $41.25.

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scoray [572]

I can answer 1 to 4...
The area of a circle can be found by $\pi r^{2}$ . Reminder: $\pi = 3.14$ (usually used when finding out the area of a circle)

1. $4^{2} = 16$
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$50.24/4=12.56$

2. $6^{2} = 36$
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