Question

Estimate the cube roots of the following numbers

(a) 12167

(b) 32768​

Answer 1

Answer:

12167:- First part is 12 and the second part is 167.

• The number is ending with 7 so its cube root will have 3 at units place.

• In the first part, the nearest cube root is 2.

So cube root of 12167 is 23.

32768:- First part is 32 and the second part is 768.

• The number is ending with 8, so its cube root will have 2 at units place.

• In the first part, nearest cube root is 3.

• So cube root of 32768 is 32.

Answer 2

Answer:

The answer of a) 23

The answer of b) 32