Answer
$a^{4+4} = a^{4\cdot2} =a^{8}$
Work Step by Step
$a^m \cdot a^n = a^{m+n}$
Use the rule above to obtain:
$(a^4)^2=a^4 \cdot a^4 = a^{4+4} =a^{8}$
Algebra 1
by Hall, Prentice
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: 4
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