Question

What is the smallest number by which 2,160 should be multiplied to make it a perfect cube ? Also find
the cube root of that perfect cube.
don't give up on answer otherwise reported​

Answer 1

Answer:

find it's cube root by factorisation method so

2 | 2160

2 | 1080

2 |. 540

2 |. 270

3 | 135

3 |. 452

3 |. 15

5 |. 5

|. 1

2160 = 2× 2 ×2× 2× 3× 3× 3 × 5

so here 2 and 5 do not have pair so this number is not perfect to make it perfect we will multiply the number 2160 with 2and 5 which is 10