The speed of light is approximately 3imes1083 imes 10^83imes108 m/s. If a star is 4 light-years away, what is its distance in kilometers? (1 light-year = distance light travels in one year)
3.8imes10103.8 imes 10^{10}3.8imes1010 km
1.2imes10131.2 imes 10^{13}1.2imes1013 km
3.8imes10133.8 imes 10^{13}3.8imes1013 km
1.2imes1091.2 imes 10^91.2imes109 km
Related Questions
Dimension of R is
ML2T−1M{L^2}{T^{ - 1}}ML2T−1
ML2T−3A−2M{L^2}{T^{ - 3}}{A^{ - 2}}ML2T−3A−2
ML−1T−2M{L^{ - 1}}{T^{ - 2}}ML−1T−2
None of these
