Question

How do you solve `27=x^(2/3)`?

Answer 1

Raise to the power of `2/3` hence

`27^(3/2)=(x^(2/3))^(3/2)`

`27^(3/2)=x`

`x = (27^(1/2) )^3`

`x = (3sqrt(3))^3 = 81sqrt(3)`