# Appendix A - Exercise Set - Page 975: 15

Appendix A - Ex. Set : 15 (Answer) $(\frac{2x^5}{y^{-3}})^{4}$ $= 16x^{20}y^{12}$

#### Work Step by Step

Appendix A - Ex. Set : 15 (Solution) $(\frac{2x^5}{y^{-3}})^{4}$ $= \frac{(2x^{5})^4}{(y^{-3})^4}$ (Power of a quotient) $= \frac{2^{4}x^{20}}{y^{-12}}$ (Power rule) $= 16x^{20}y^{12}$ (Negative exponent)

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