Question

what is estimation method to find a cube root ? explain with an example

Answer 1

If a large number is given and stated that it is a perfect cube then we can use the following method to calculate its cube root by the method of estimation. 1. Take any cube number such as 29791 whose cube root is to be determined and start making a group of three digits starting from the rightmost digit.

Answer 2

Estimating the cube root of a cube number

Take any cube number such as 29791 whose cube root is to be determined and start making a group of three digits starting from the rightmost digit. 2. The first group will give us the unit's digit of the required cube root.