Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A12: 127

Answer

$0.000$

Work Step by Step

We enter the given expression into a calculator to get: $$ (-8.11)^{-4}= (\frac{1}{8.11})^4 =0.00023\approx 0.000 .$$ Note that since we are rounding to three decimal places, the answer rounds to "$0$".
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