13. By what least number
should 648 be multiplied to get
a perfect cube?
O 3
O 6
O 9
O 8
Answers
Answered by
2
Answer:
I hope u understand my explanation
Step-by-step explanation:
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).
Answered by
3
=>648= 2×2×2×3×3×3×3
=2^3 × 3^3× 3
In order to get a perfect cube, we have to multiply by 3×3 to complete the triplet
Therefore, required number = 9 (Ans)
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