Answer
$6.707\times10^{8}$ mi/hr
Work Step by Step
$\frac{2998\times10^{8}m}{s}\times\frac{1km}{1000m}\times\frac{1mi}{1.6093km}\times\frac{60s}{1min}\times\frac{60min}{1hr}$ =$6.707\times10^{8}$ mi/hr
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