Question

which number must be multiplied to 9720 to make it a perfect cube?
a) 75
b) 5
c) 25
d) 15 ​

Answer 1

Answer:

d) 15

I hope it's help you

Answer 2

Answer:

a) 75

Step-by-step explanation:

9720=2×2×2×3×3×3×3×3×5

Here when we group these numbers each group should have three numbers each. But 3×3×5 are not in a group of three.

So, to make 9720 a perfect cube we must multiply it with 3×5×5,i.e, 75.

therefore the answer is 75.