# How do you simplify #((2x^-6)/(7y^-3))^-3#?

##### 2 Answers

Jan 9, 2016

#### Answer:

#### Explanation:

A negative power

So

We do what we did before :

Jan 9, 2016

#### Answer:

A slightly different way or writing the working out!

#### Explanation:

Given:

First consider inside the brackets:

Known that

So we have

Now put this back into the brackets giving