SOLUTION: (3a^-4b^5)^-2/(9a^4b^-5)^-1 Simplify please. Would it cancel out to 0?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (3a^-4b^5)^-2/(9a^4b^-5)^-1 Simplify please. Would it cancel out to 0?      Log On


   

Question 630567: (3a^-4b^5)^-2/(9a^4b^-5)^-1
Simplify please.
Would it cancel out to 0?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(3a^-4b^5)^-2/(9a^4b^-5)^-1
Simplify please.
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Work inside each parenthesis:
(3b^5/a^4)^-2 / (9a^4/b^5)^-1
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Work with the exponent of each parenthesis:
= (a^8/9b^10)/(b^5/9a^4)
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Invert the denominator and multiply:
= 9a^12/9b^15
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Simplify:
= a^12/b^15
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Cheers,
Stan H.
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