Question

3. 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​

Answer 1

Answer:

299,792,458 m/s is the speed of light in new system of units

Answer 2

Answer:

3 x 10^5 km/s

Explanation:

simply 1000 m =1km

thus divide it (m/s unit) by 1000 since time's unit has not changed