Answer
a.) 1.6990
b.) 0.1505
c.) 0.6276
Work Step by Step
$Use$ $a$ $calculator$ $to$ $evaluate$ $the$ $expression,$ $correct$ $to$ $four$ $decimal$ $places:$
a.)$\log 50$
b.)$\log \sqrt 2$
c.)$\log (3\sqrt2)$
a.)$\log 50$
Plug into calculator
$$\log 50 = 1.6989700043360187$$
Round to 4 decimal places
$$\log 50 \approx 1.6990$$
b.)$\log \sqrt 2$
Plug into calculator
$$\log \sqrt 2 = 0.1505149978319906$$
Round to 4 decimal places
$$\log \sqrt 2 \approx 0.1505$$
c.)$\log (3\sqrt2)$
Plug into calculator
$$\log (3\sqrt2) = 0.627636252551653$$
Round to 4 decimal places
$$\log (3\sqrt2) \approx 0.6276$$