Answer
$50.24^{\circ}$.
Work Step by Step
We know that
$1"=\frac{1}{3600}^o$
$1'=\frac{1}{60}^o$.
Use a calculator and the conversion factors above to obtain:
$50^{\circ}14'20''\\=50^{\circ}+\left(\frac{14}{60}\right)^{\circ}+\left(\frac{20}{3600}\right)^{\circ}\\=50.24^{\circ}$.
