Answer
$x = \log 74$
Work Step by Step
$Write$ $the$ $equation$ $in$ $logarithmic$ $form:$
$10^x = 74$
Exponential form to logarithmic form: $b^c = a \rightarrow \log_b a = c$
Plug in 10 for b, x for c, and 74 for a
$$10^x = 74 \rightarrow \log_{10} 74 = x$$
$$\log 74 = x$$
$$x = \log 74$$