SOLUTION: Will you please help me solve this equation? :) simplify. (8y)^-2= __ ( Use positive exponents only.)

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Will you please help me solve this equation? :) simplify. (8y)^-2= __ ( Use positive exponents only.)      Log On


   

Question 747296: Will you please help me solve this equation? :)
simplify.
(8y)^-2= __ ( Use positive exponents only.)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
we take the reciprocal and we raise each factor of the base to the second power
%288y%29%5E-2=1%2F%288%5E2%2Ay%5E2%29=1%2F%2864y%5E2%29