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Mathematics 16 Online
OpenStudy (anonymous):

9x^2y^-2 for x = –3 and y = 2. a.324 b.20 1/4 c.9(-6)^0 d.1/144

OpenStudy (anonymous):

so all u need is to plug in values?

OpenStudy (anonymous):

9(-3)^2*(2)^-2 9(-3)^2*(1/(2)^2) 9(9)*(1/4)=(81/4)

OpenStudy (anonymous):

b

OpenStudy (anonymous):

ohh sorry i didnt realize the options b4 but yes the answer is b

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