Answer:
Distance = 1.08x10^7 km
Explanation:
I will assume that the speed of light as given was meant to read 2.99x10^5 km/sec, not 2.99x10 km/sec. I will assume that the time travelled (3.6x10 seconds) is correct, which means it is 36 seconds. If there is supposed to be an exponent on the 10, then the distance would change accordingly.
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Distance may be found by multiplying the speed of light times the time travelled:
Distance = (Speed)*(Time)
Distance = (2.99x10^5 km/s)*(3.6x10 sec)
Distance = (2.99x10^5 km/s)*(36 sec)
Distance = 1.08x10^7 km