Question 209069
remember (a^b)^c= a^(b*c)
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(-5xy^6)^3
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(-5)^3 * x^3 * (y^6)^3
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-125 *x^3 *y^18
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-125x^3y^18
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check,,,let,,,,  x=2 ,,, y=3,,,both  original  and  answer  = -3.9 x 10^11,,,ok