Question

ANSWER ALL THREE QUESTIONS AND ILL GIVE U BRAINLIEST PLS AND THANK Uuu (i’m struggling if u can’t tell.)

A radio signal travels at 4.00 x 10' meters per second. How many seconds will 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 2.1 x 10 meters? Show your work. (Hint: d = it, where d is
distance, r is rate, and 1 is time.)

Answer 1

Answer:

for the question on simplify I think the answer is B

Step-by-step explanation:

cause when it is reciprocated the sign changes