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The volume of a cube is 27 cubic inches. What is the length of an edge? Explain.

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Answer:

3 in

Explanation:

The formula of a volume of a cube:


V=a^3

a - length of an edge

We have V = 27 in³. Substitute:


a^3=27\to a=\sqrt[3]{27}\\\\a=3\ in

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