Radio signals travel at a rate of 3x10^8 meter per second. how many seconds would it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 9.6*10^6 meters? ( hint: time divide by speed.)

a) 3.2*10^2 seconds
b) 3.2*10^-2 seconds
c) 3.13 *10^1seconds
d) 2.88*10^15 seconds