Question

The value of `root(3)(125)` is?

Answer 1

`root(3)(125) = 5`

Answer 2

`5`

Explanation:

`root3(125)`

`:.=root3(5*5*5)`

`:.=root3(5)* root 3(5)* root 3 (5)=5`

Answer 3

`5`

Explanation:

`root(3)125=5`

`"since "5xx5xx5=125`

Answer 4

If you really can not spot what the roots are do this:

`root(3)(125)=+5`

Explanation:

Do a very quick and very rough sketch on the margin of your page of a prime number factor tree. In this case you are looking for groupings of 3 values that are the same>

Tony B

The group of three highlighted values tell you the cube root of 125 is 3.