We know that the speed of light is approximately 186282 mi/s, so:
[tex]\begin{gathered} t\approx\frac{2800mi\ast1s}{186282mi}\Rightarrow t\approx\frac{1400}{93141}s \\ \\ \Rightarrow t\approx0.02s \end{gathered}[/tex]So, it would take approximately 0.02 s.
