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