Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-4 Division Properties of Exponents - Practice and Problem-Solving Exercises - Page 442: 16

Answer

$\frac{s^2}{2}$

Work Step by Step

You have $\frac{5s^-{^7}}{10s^-{^9}}$.Solve: $\frac{5s^-{^7}}{10s^-{^9}}$ -cancel the common factor:5- $\frac{s^-{^7}}{2s^-{^9}}$ -apply exponent rule $\frac{x^a}{x^b}$=$x^{a-b}$- $s^{-7-(-9)}$=$s^{2}$ =$\frac{s^2}{2}$
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