[ Homework Help ] Open Question : Physics homework? Please help.?

Many people mistakenly believe that the astronauts orbiting the earth are "above gravity." Calculate the acceleration due to gravity, g, for space shuttle territory, 245 kilometers above the earth's surface. Earth's mass is 6 multiplied by 10^24 kg, and its radius is 6.38 multiplied by 10^6 m (6380 km). Your answer is what percentage of 9.8 m/s2?