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OpenStudy (anonymous):
Evaluate 9x^2y^-2 for x = –3 and y = 2.
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OpenStudy (anonymous):
Plug in your y's and x's. (9(-3)^2)((2)^-2) Simplify and get... 20.25
OpenStudy (anonymous):
A. 324
OpenStudy (anonymous):
It would be 20 and 1/4
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