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OpenStudy (anonymous):
Simplify, without the answer containing parentheses or negative exponents. ((-3r^4 r^-3) / (r^-3 r^7))^3 The answer I got was 1/27r^9, but wolfram alpha gives me -27/r^9
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OpenStudy (anonymous):
|dw:1319232479990:dw|
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