## Precalculus: Mathematics for Calculus, 7th Edition

$\frac{1}{2}$
$Evaluate$ $the$ $expression$ $without$ $using$ $a$ $calculator:$ $\log_5 \sqrt 5$ Rewrite the root to exponent form $$\log_5 5^{\frac{1}{2}}$$ Use the Third Property of Logarithms: $\log_a a^x = x$ $$\log_5 5^{\frac{1}{2}} = \frac{1}{2}$$