Respuesta :
Answer:
12,566 not 12560 because edgenuity doesnt want you to round by the tenths only by the ones
Explanation:
Because 2* pi * 4x10^10 = 251327412400 (Dont round the pi to 3.14)
and divide it by 2x10^7
you get 12,566.37 which its 12,566 (and dont add punctuation, stated on the quiz)