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Heidi said that 6 billion can represent the area of a square. About how

many units is the length of the square? How do you know

User Ryan James
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Answer:

Explanation:

We will use the American definition of a billion. That's 1 * 10^9. Also, since we are just making things happen, we will say that we have a billion square miles.

Area = s^2

Area = 1 * 10^9

s^2 = 1 * 10^9 Take the square root of both sides

sqrt(s^2) = sqrt(1 * 10^9)

s = 31622 miles.

Just how big is that? It is smaller than the circumference of the earth.

User Imanou Petit
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