Answer
$7$
Work Step by Step
RECALL:
For any real number $x$ and $M\gt0$,
$a^{\log_a{x}}=x$
Use the rule above to obtain:
$2^{\log_2{7}}=7$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 6 - Section 6.5 - Properties of Logarithms - 6.5 Assess Your Understanding - Page 459: 17
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