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Originally Posted by Blue
because the negative inverses the 3 to 1/3 and then when you apply the exponent (which is 2) to the 1/3 so...
3^-2 = (1/3)^2 = (1/3)*(1/3) = 1/9
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Could y'all start speaking in English now?? 
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JoAnne G.
BS-Business, Excelsior College, 2007
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