Answer This NEOPET QUESTION 8/17 through 8/24?

Question

Assume the world of Neopia is a spherical planet with a diameter of 1600 km with a uniform density of 5200 kilograms per cubic metre. If the moon of Kreludor is in a geostationary orbit around Neopia, and assuming a Neopian sidereal day is exactly 24 hours, how far is that geostationary orbit above the surface of Neopia?Please submit your answer in kilometres, and round to the nearest kilometre. Submit only a number; any additional information may disqualify your entry.

Answer 1

Do you realize that your exact question has already been asked on Yahoo Answers?  Weird, huh?  It even has the same rude order to answer in a particular way or else get "disqualified".  Well, I guess I'm already disqualified for pointing this out.  

I guess before you command other people to do your work for you, it is prudent to first see whether other folks have already asked the same question on the internet.

Answer 2

what, you still play neopets? ok, im not sure if this should be here, i think it should be in math section. is this some sort of riddle that is asked on neopets and you will get points if u get it right