Answer:
1.08^9km/hr
Explanation:
3 x 10^10cm/ 1s
(3 x 10^10 ÷100÷1000)km / 1÷60÷60
=1.08^9km/hr
100 centimeter = 1 meter
1000 meter is 1 kilometer.
so speed is 300000 kilometer/second.
There are 3600 seconds in one hour, multiply with 3600=
1080 000 000 kilometer/hour.
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