Question

A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 8.70 ✕ 107 km. Radio waves travel at the speed of light (3.00 ✕ 108 m/s). How many seconds does it take for the signal to reach the Earth?

Answer 1

Answer: 2.9 × 10 E 3 sec

Explanation: The explanation is attached