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 - Chapter Review - Page 475: 15



Work Step by Step

You have the expression $\frac{2x}{y^2 z^-1}$.Since $a^{-b}$=$\frac{1}{a^b}$ our new expression would be $\frac{2xz}{y^2}$.Plug in z=2,y=-3 and z=-5 to evaluate the expression. $\frac{2*2*-5}{(-3)^2}$ -evaluate the exponent- $\frac{2*2*-5}{9}$ -simplify- =$\frac{-20}{9}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.