Question

13. Speed of light in S.I. system is 3 x 108 m/s. In a
new system, unit of length is a km and unit of
time is b second. Then speed of light in new
system of unit is
6.100
(3) 3a 105
·105​

Answer 1

Answer:

3×10^5 km/s

Explanation:

1000meter =1km

10^8-10^-3=10^5