<PRE><B>Question 680014</B>
simplify ((-6a^2b^-5c^0)/(2^2a^-3b^2c))^-2
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= (2^2*a^-3*b^2*c)^2)/(-6a^2*b^-5*c^0)^2
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= (4/-6)^2 * (a^-3/a^2)^2 * (b^2/b^-5)^2 * (c/c^0)^2
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= (4/9) * (1/a^10) * (b^14) * (c^2)
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= (4/9)(b^14*c^2/a^10)
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Cheers,
Stan H.
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