Question

Find the smallest number by which the following number should be divided so that the
quotient is a perfect cube :
a) 256
b) 8640
c) 686
d) 9x3​

Answer 1

Step-by-step explanation:

i)256

cube root of 256=2×2×2×2×2×2×2×2

make group of three

2×2×2 2×2×2 2×2

(2×2)is the required no.