Question 870437
The problem is: 
-8a^5 b^-3/ab^2. 
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= (-8/1)(a^5/a)(b^-3)/b^2)
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= (-8/1)(a^4)(1/(b^3*b^2))
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= -8(a^4)(1/b^5)
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= -8a^4/b^5
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Cheers,
Stan H.
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