Question

the radius of the Earth is 6378.1 KM which is 2981 .1 km longer than the radius of Mars write and solve the equation to determine the radius of Mars show that your answer is reasonable

Answer 1

$6,378.1 - 2,981.1 = 6,000 + 300 + 70 + 8 + 1/10 - 2,000 - 900 - 80 - 1 - 1/10 = (6,000 - 2,000) + (300 - 900) + (70 - 80) + (8-1) + (1/10-1/10) = 4,000 - 600 - 10 + 7 + 0 = 3,400 - 3 = 3,397$

Answer 2

576.3
this is the answer to your question