Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-5 Division Properties of Exponents - Practice and Problem-Solving Exercises: 41

Answer

$\dfrac{5}{2}$

Work Step by Step

RECALL: $a^{-m} = \dfrac{1}{a^m}, a\ne0$ Use the rule above to have: $=\dfrac{1}{\frac{2}{5}} \\=1 \cdot \dfrac{5}{2} \\=\dfrac{5}{2}$
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