Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.6 Exponents and Scientific Notation - Exercise Set 5.6 - Page 319: 3

Answer

$4\cdot4^2= 4^3$ $4^3=4(4)(4)=64$

Work Step by Step

$a^m \cdot a^n = a^{m+n}$ Thus, $4 \cdot 4^2 \\= 4^{1+2} \\=4^3 \\=64$
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