V = 3*108m/s
T = 8.20 min
1 min =60s
8.20 min =\(\left(\frac{60s}{1\min}\right)\)=492s
d=\(\left(3e^8\frac{m}{s}\right)\)\(\)\(\left(492s\right)\)=\(1476e^{11}m\)
\(\frac{1476e^{11}m}{1000}\) = 146 600 000 km
3.-¿Cuántas yardas hay en un kilómetro?
1 yd = 0.9144m
1 km = 1000m
\(1km=\left(\frac{1000m}{1km}\right)\left(\frac{1m}{0.9144yd}\right)=1093.61yd\)