Question

Radius of the earth in 6400 km and that of mars is 4300000 m. Whose radius is bigger and by how much?

Answer 1

Answer:

$earth \: radius \: is \: 6400km \: and \: mars \: radius \: is \: 4300km \: so \: the \: radius \: of \: earth \: radius \: is \: bigger \: than \: mars \: rdius . \\ \\ 6400km - 4300km = 2100km \\ \\ so \: the \: rdius \: of \: earth \: is \: 2100km \: greater \: than \: the \: mars \: radius$