Question

By what least number should 648 be multiplied to get a perfect cube? Also find the cube root of the perfect cube. 
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Answer 1

Step-by-step explanation:

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

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).

Step-by-step explanation:

hope this helps