Determine whether pairs of exponential expressions are equivalent.
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Problem

Determine whether start fraction, 64, start superscript, 0, point, 5, m, end superscript, divided by, 4, start superscript, 0, point, 5, m, end superscript, end fraction is equivalent to each of the following expressions.
 
Equivalent
Not equivalent
4, start superscript, m, end superscript
16, start superscript, 0, point, 5, m, end superscript
16