# How to transform an expression to radical form #(125)^(-1/3)#?

##### 1 Answer

You use the fact that

#### Explanation:

In order to convert your expression to radical form, you need to use two proprties of fractional exponents. The first one tells you that

In your case, the exponent is equal to

Next, use the fact that raising a number to a fractional exponent that has the form **equivalent** to extracting the

In your case, the fractional exponent is

As it turns out, **perfect cube**, which means that you can write it as

The expression becomes