Question 18 please help
![Question 18 please help class=](https://us-static.z-dn.net/files/d97/c049a587ebfc97b0f510e8a51198c4e1.png)
Answer:
see below
Step-by-step explanation:
No simplification is possible as there aren't any factors that can be combined or cancelled. The exponents can be made positive by moving the variable to the other side of the fraction bar.
The applicable rule of exponents is ...
a^-b = 1/a^b