Question

by what least number should 648 be multiplied to get a perfect cube ?​

Answer 1

Answer:

2 form a triplet (there are three 2s), while there are four 3s.To be a perfect cube, all prime factors should be in multiples of 3. Therefore, to make 648 a perfect cube, it has to be multiplied by 3 × 3 = 9 (so that there will be six 3s in total).

Answer 2

Step-by-step explanation:

in a group of three. So , 648 is not a perfect cube . it a perfect cube is 3 × 3 = 9. I hope this helps you.

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