Question

Cube root of 480 = cube root of ........ * 2* cube root

Answer 1

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Answer 2

Answer:

Let the unknown number be x

Then, x × 2 = 480

∛x × 2 = ∛480

∛x × 2 = 7.82

∛x = 7.82 ÷ 2

    = 3.91

cube root of 480 = 7.82

x = 3.91

therefore, 7.82 = 3.91 × 2

                 7.82 = 7.82

∴ The needed number is 3.91

Hope you understand!