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Andrew Ebling · Answer 1 · 2017-09-15T08:45:21+0000

3.00 X 10^8 m/s...
so, the light travels 1.08 X 10^12 m/h , 3.00 X 10^5 km/s and
8.33 X 10^7 km/h.

[ 3.00 X 10^8 * 3600 ; (there are 3600 seconds in an hour)
= 10800 X 10^8 m/s
= 1.08 X 10^12 m/h ]

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