Question 329708
1.{{{ 7(x^4)^5 (-4x^2)^2 =(7x^20)(16x^4)=112x^(20+4)=112x^24}}}
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2.{{{ ((8x^3)/(27y^6))^(1/3)=(8x^3)^(1/3)/(27y^6)^(1/3)=(2x)/(3y^2)}}}