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I would have to convert Km to meters 1st, then answer the B & C using v = d/t, & get an answer in hours & seconds.

I was wondering I f someone could help me answer the previous questions using step by step methods so that I can figure out how to answer a,b, & c?

A space probe of the surface of Mars sends a radio signal back to the
Earth,a distance of 3.79 x 1010 km. Radio waves travel at the
speed of light (3.00 x 108 m/s).
(a) How far away is the space...