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Mekhanik [1.2K]
2 years ago
8

Write the exact value of, or estimate, the side length of a square with an area of 100 square units.

Mathematics
1 answer:
timofeeve [1]2 years ago
6 0

Answer:

l =10 units, 9.7 units, 5.5 units

Step-by-step explanation:

Area = length x breadth

Area of a square = l^2

100= l^2

√100 =√l^2

l=10 units

95=l^2

√95 = √l^2

l= 9.7 units

30=l^2

√30=√l^2

l= 5.5 units

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Step-by-step explanation:

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3 0
3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
Samantha has a AA battery that is 51mm long. About how many centimeters long is it
Butoxors [25]

Answer:

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. . . . . .

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51 divided by 10 = 5.1

All we have to do is move our "invisible decimal"

In my way, every whole number has an invisible decimal at it's end.

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We can get into exponents. 10 is 10¹, any exponent is the number of zeros at the end of a number may have. Ex: '10² = 100'

We can move our decimal to the left since we are dividing. The amount of exponent numbers are the amount you move it, multiplying and dividing are different things with that.

Let's get back on topic.

Moving our decimal to the left with dividing is 5.1 since 10¹ has a "1" as it's exponent, making us move it "1" to the left.

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