Find the cube roots of 27000 and 10648. Class 8

Find the cube roots of 27000 and 10648. Class 8

Question 1.

Find the cube roots of 27000 and 10648. Class 8

Solution:

27000 = 3 × 3 × 3 × 2 × 2 × 2 × 5 × 5× 5.

So, cube root of 27000 = 3 × 2 × 5 = 30.

10648 = 2 × 2 × 2 × 11 × 11 × 11

So, cube root of 10648 = 2 × 11 = 22.

Question 2.

What number will you multiply by 1323 to make it a cube number? Class 8

Solution:

1323 = 3 × 3 × 3 × 7 × 7

So, to make it a cube, we will multiply it by 7.