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Dave Simione · Answer 1 · 2019-07-19T07:05:01+0000

No, it's always okay to ask if you don't understand a question. Anyway, for this problem, we just have to plug in the value for V to solve for P :

$P = 4V^{ (1)/(3)} \\ P = 4(125)^{ (1)/(3)}$

A number to the power of 1/3 is the same as taking a cube root.

$P = 4(125)^{ (1)/(3)} \\ P = 4(5) \\ P=20$

The perimeter of one face of the cube is 20m.

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