SOLUTION: Multiply and simplify 9z^3/11r^2 * 121r^4/81z

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Multiply and simplify 9z^3/11r^2 * 121r^4/81z      Log On


   

Question 158876: Multiply and simplify
9z^3/11r^2 * 121r^4/81z
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
%289z%5E3%29%2F%2811r%5E2%29 * %28121r%5E4%29%2F%2881z%29
:
Much easier if you cancel, then multiply
11r^2 into 121r^4 and 9 into 81 and z into z^3
:
z%5E2 * %2811r%5E2%29%2F9 = %2811r%5E2z%5E2%29%2F9