Radio signals travel at a rate of 3x10^8 meters per second. how many seconds will it take for a radio signal to travel from a satellite to the surface of the earth if the satellite is orbiting at a height of 7.5x10^6 meters?
do you have a
i don't know what the scenarios are but an exponential decay is when something decreases over time. on a graph its a curved line on the graph.
im guessing 75 or 30.