Question

what is the cube root of 729

Answer 1

Sube root of 729 is,

729 = 3 × 3 × 3 × 3 × 3 × 3

729 = (3 × 3) × (3 × 3) × (3 × 3)

cube root of 729 = cube root of (3 × 3) × (3 × 3) × (3 × 3)

= (3 × 3) = 9 

Answer 2

Hi ,

729  = 9 × 9 × 9 = 9³

cube root of 729 = ∛ 729 

                           = ∛ 9³

                           = 9 ^ 3/3 

                           = 9

∴ ∛ 729 = 9

I hope this helps you .

 : )