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7a^-5b^3
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by destiny046 at May 23, 2010

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negative exponents can be written as a^-b = 1/a^bso: 7a^-5b^3 can be written as 7. 1/a^5. b^3 => 7/a^5. b^3 ==> 7b^3/a^5Hope it helps,Kamel

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KamelSadr May 23, 2010