Answer
$\log_2 64 = 6$
Work Step by Step
$Write$ $the$ $equation$ $in$ $logarithmic$ $form:$
$2^6 = 64$
Exponential form to logarithmic form: $b^c = a \rightarrow \log_b a = c$
Plug in 2 for b, 6 for c, and 64 for a
$$2^6 = 64 \rightarrow \log_2 64 = 6$$