Question

Find the cube root of 32768 through estimation. explain

Answer 1

32768

Make two groups of three digits starting from the right most digit of the number

32 and 768 r two groups

First group 768 give the one's digit and it is 2

Because 2^3 = 8

From second group 32

3^3< 32<4^3

27<32<64

So we choose 3 as tens place so

Required and is 32