Answer
$=\frac{1}{5}$
Work Step by Step
The given expression is
$=\frac{5^{-1}}{-9^0}$
Use $a^0=1$.
$=\frac{5^{-1}}{-1}$
Use $a^{-n}=\frac{1}{a^n}$.
$=-\frac{1}{(5)^{1}}$
Use $(5)^1=5$.
$=-\frac{1}{5}$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 6 - Exponential Functions and Sequences - 6.1 - Properties of Exponents - Exercises - Page 296: 10
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
