Algebra 1

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

Chapter 7 - Exponents and Exponential Functions - 7-3 Multipying Powers with the Same Base - Practice and Problem-Solving Exercises - Page 430: 54


$1.2 \times 10^{-4}$

Work Step by Step

$a^m \cdot a^n = a^{m+n}$ Multiply the corresponding parts and use the rule above when necessary to obtain: $=(0.4\cdot 3) \times (10^{0} \cdot 10^{-4}) \\=1.2 \times 10^{0+(-4)} \\=1.2 \times 10^{-4}$
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