A space probe on the surface of mars sends a radio signal back to the earth, a distance of (9.03*10^7 km). Radio waves travel at the speed of light (3.00*10^8 m/s). How many seconds does it take for the signal to reach the earth?

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A space probe on the surface of mars sends a radio signal back to the earth, a distance of (9.0310^7 km). Radio waves travel at the speed of light (3.0010^8 m/s). How many seconds does it take for the signal to reach the earth?