SOLUTION: hi i really need help with negative exponents. i already did this problem but the answer is not in my book. i want to know the steps to the problem to make sure i understand how t

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: hi i really need help with negative exponents. i already did this problem but the answer is not in my book. i want to know the steps to the problem to make sure i understand how t      Log On


   

Question 344750: hi i really need help with negative exponents.
i already did this problem but the answer is not in my book. i want to know the steps to the problem to make sure i understand how to do it correctly.
thank you very much

(x^-1 y^2 )^-3 / (x^3 y^4)-3
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%5E-1y%5E2%29%5E-3+%2F+%28x%5E3y%5E4%29%5E-3
Invert to get rid of the neg 3 exponents, then follow the rules of exponents
%28x%5E3y%5E4%29%5E3+%2F+%28x%5E-1y%5E2%29%5E3 = %28x%5E9y%5E12%29%2F+%28x%5E-3y%5E6%29 = x%5E%28%289%2B3%29%29y%5E%28%2812-6%29%29 = x%5E12y%5E6