# How to simplify #((3x^-1)/(9y^2))^-2# and have the answer in positive exponential notation?

##### 1 Answer

Sep 12, 2017

#### Explanation:

You will need the following index laws

(1)

(2)

(3)

(4)

First apply (1)

Then apply (2)

Finally, apply (3) and (4)