Answer
$19$
Work Step by Step
$b^{\log_b{x}}=x$
Thus here: $8^{\log_8{19}}=19$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 9 - Section 9.3 - Logarithmic Functions - Exercise Set - Page 700: 41
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