Answer
$6184.035\;mi^2$.
Work Step by Step
Width of the rectangle $w=60.45\;mi$.
Length of the rectangle $l=102.3\;mi$.
Area $A=w\times l$.
Substitute all the values.
$A=60.45\;mi\times 102.3\;mi$
Simplify.
$A=6184.035\;mi^2$.
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