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: 120



Work Step by Step

Recall the exponent rule: $$a^nb^n=(ab)^n$$ Thus, we have $$ (0.1)^3(20)^3=(0.1(20))^3=((1/10)(20))^3=(20/10)^3=2^3=8 .$$
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