exponent rules

[leevolunteer]

Please help me solve this problem. I will show my work and you can please tell me if I am doing it right.
thanks.

x exponent -2 Y exponent3 over x exponent4 y exponent -3

what do i do first?

 

[Loren]

Follow the rules...

http://www.purplemath.com/modules/exponent.htm