SOLUTION: What is 3y^-2 in simplest form using positive exponents only?

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Question 920708: What is 3y^-2 in simplest form using positive exponents only?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
if you have 3y%5E-2=>3%281%2Fy%5E2%29=>3%2Fy%5E2
but, if you have %283y%29%5E-2=>%281%2F%283y%29%5E2%29=>1%2F9y%5E2