Question

Find the cube root of 29,791 by estimation method

Answer 1

Step-by-step explanation:

given,

number= 29,791

as we observe the unit digit of the number is 1

We the 1 as unit digit when we cube a number if and only if the original number also has unit digit as 1

as the number is more than 27,000 which is cube of 30

and the number is having unit digit 1 is exactly 1 more than 30 i.e 31

so the cube root of the number is 31

Answer 2

find the cube root of the 29.7 91 by step by step explanation