Answer
$x = \frac{\ln55}{\ln2}$
Work Step by Step
$2^{x} = 55$
$\ln2^{x} = \ln55$
$x\ln2 = \ln55$
$x = \frac{\ln55}{\ln2}$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 1 - Functions - 1.3 Inverse, Exponential, and Logarithmic Functions - 1.3 Exercises - Page 36: 54
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