Answer
$n= 78.4$
Work Step by Step
$sin (49) = 59.2/n$
$sin (49)*n = 59.2/n*n$
$sin (49)*n = 59.2$
$sin (49)*n/sin (49) = 59.2/sin (49)$
$ n = 59.2/sin (49)$
$n= 59.2/.7547$
$n = 78.44$
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