Mathematics for IGCSE & O level - Number (Section 2 - No. 32) | ExamPlay

Mathematics for IGCSE & O level - Number (Section 2 - No. 32)

What is the value of k in 392k, given that 392k is a cube number?

2

3

7

49

Explanation

392 = 2^3 * 7^2, To make it a cube, we need 7.

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