## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 5 - Number Theory and the Real Number System - Chapter 5 Test: 20

#### Answer

$64$

#### Work Step by Step

Use the rule $\dfrac{a^m}{a^n} = a^{m-n}, a\ne0$ to obtain: $=4^{6-3} \\=4^3 \\=4(4)(4) \\=64$

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