please I need help with these 2 questions? solve it with all steps and explanations, please

Thanks,

Question 3: A client-server system is designed such that the server is located on Earth, while the client is located on a space craft orbiting the planet Mars. Assume the average distance between Earch and Mars to 200 million kilometers. What is the best-case delay in response to a request? What other delays would be involved? Question 2: It is required to compute the length of a bit in the original 802.3 standard in meters? Assume a transmission speed of 10 Mb/s and assume the propagation speed of signal in coax is 2/3 the speed of light in vacuum