Question

find the cube root of 857375 using estimation technique​

Answer 1

Answer:

Hi mate your answer is here⬇⬇⬇⬇

Step-by-step explanation:

We have,

857375

This can be written in the estimation technique by grouping 3 numbers in each group

Group

2 group

1

857375

__ __

This cube root of a perfect cube ending With 5 will have 5 in units.

857375 will have 5 is units place.

Moving to the second step,

Which say that it should lie between cubes of two consecutive number and the ten digit should be counted while,

we have 857.

It lies between the cube of 9 and 10

9^3=729<875<10^3=1000

There fore,

The tens digit will be 9

cube root of 857375 = 95

95 is the correct answer.