Question

the smallest number by which 72 must be multiplied to make it a perfect cube

Answer 1

By prime factorising 72 we get 72= 2×2×2×3×3.
It is clear that 72 should be multiplied by 3 to make it a perfect cube .
Since 2 is occurring three times but 3 is occurring only two times.

Answer 2

Step-by-step explanation:

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