# How do you simplify the expression #-625^(- 1/4)#?

##### 1 Answer

Sep 19, 2015

#### Explanation:

Just to be sure, I want to point out that the negative symbol is not enclosed in a parenthesis with 625 which means that we are looking for the negative of

First things first, there is a negative sign in the exponent. We can remove that by getting the reciprocal of 625.

I forgot the proof for this, I think it was the definition of radical numbers (?). It states that

Now look for the 4th root of

So your final answer is: