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14 November, 08:56

The volume of a cube is 1000 cubic inches. What is the edge length of the cube?

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  1. 14 November, 09:01
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    We know that the formula for cube volume is a³ and that we're looking for a in this specific case, so we can write it down as a simple equation:

    a³ = 1000 / ∛ (both sides)

    a = ∛1000

    a = 10

    Doublecheck:

    10³ = 10 * 10 * 10 = 1000, so it's correct; )
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