Algebra 1

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

Chapter 7 - Exponents and Exponential Functions - Concept Byte - Powers of Powers and Powers of Products - Page 432: 6


$x^5 \cdot x^5 \cdot x^5 \cdot x^5= x^{5+5+5+5} = x^{5\cdot4} =x^{20}$

Work Step by Step

$a^m \cdot a^n = a^{m+n}$ Use the rule above to obtain: $(x^5)^4=x^5 \cdot x^5 \cdot x^5 \cdot x^5= x^{5+5+5+5} = x^{5\cdot4} =x^{20}$
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