Instructions were answer in regular or scientific notation with 4 digits after the decimal point. and not to enter , to separate the thousands or any units after the number.

Question:

A Titan IV rocket has put your spacecraft in circular orbit around Earth at an altitude of 260 km. What is your orbital velocity? Give your answer in m/s.

This is the correct formula needed.

hint: the professor said the answer is between 7000 and 8500. i worked hours to trying to find something and nothing worked.

If you could kindly explain to me how you got to the answer i can work it out on my ti-83 so i can move onto similar problems on my homework. thank you!