Question

Please help me!

Evaluate (-27)^1/3

1/3 is a fraction

Answer 1

-3

Explanation:

-3 is correct, but why?

The reason is that the exponent 1/3 indicates a cube root and the cube root of -27 is -3.

`x^(1)/(n)=\sqrt[n]{x}`

So
`x^(1)/(2)=√(x)`

`x^(1)/(5)=\sqrt[5]{x}`

etc.