SOLUTION: I am lost, please would someone help to do this problem. Simplify and evaluate: (4^2 x^3 y^2 z^-3 /x^-5 y^8 z^-9)^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am lost, please would someone help to do this problem. Simplify and evaluate: (4^2 x^3 y^2 z^-3 /x^-5 y^8 z^-9)^2       Log On


   

Question 138889: I am lost, please would someone help to do this problem. Simplify and evaluate:
(4^2 x^3 y^2 z^-3 /x^-5 y^8 z^-9)^2
I want to thank you in advance for taking your free time to help me.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(4^2 x^3 y^2 z^-3 /x^-5 y^8 z^-9)^2
[16 x^3 y^2 / z^3) / (y^8 / x^5*z^9)]^2
Within the brackets, invert the denominator and multiply.
[16*x^3*y^2*x^5*z^9 / z^3*y^8]^2
[16*x^8*y^3*z^9 / z^3*y^8]^2
[16 x^8 z^6 / y^5]^2
= [256 x^16 z^12 / y^10]
Cheers,
Stan H.