the circumference of the earth is 40,076 km. what is the radius of the earth? give your answer to the nearest 100km.

1 answer

r = C / (pi * 2)
r = 40,076 / 6.28
r = 6381.52866242
r = 6382

If nearest hundredths, then 6381.53, OR is hundreds place, then 6400