Q. 2 C4.5( 24 Votes )

# <span lang="EN-US

Given number as 3375. We need to find out the cube root using estimation method.

Step 1: start making groups of three digits starting from the units place.

375 as first group and 3 as second group

Step 2: first group will give us the units digit of the cube root.

375 ends with 5, cube of 5 = 53 = 125

5 will go in units place

Step 3: Now, take second group. i.e 3

we know 13 < 3 < 23

As the smallest number is 1, it becomes the tens place of the required cube root. = 15

Hence, the cube root of 3375 using estimation method is 15

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