Answer
$\approx 2.321928$
Work Step by Step
RECALL:
Change -of-Base Formula
$\log_a{b} = \dfrac{\log{b}}{\log{a}}$
Use the change-of -base formula to obtain:
$=\dfrac{\log{5}}{\log{2}}$
Evaluate using a calculator. Round-off to six decimal places to obtain:
$\approx 2.321928$