A satellite is in an approximately circular orbit 36,000 kilometers from Earth’s surface. The radius of Earth is about 6400 kilometers. What is the circumference of the satellite’s orbit? Round to the nearest whole kilometer, if necessary.

42400

To find the circumference of the satellite's orbit, we can use the formula for the circumference of a circle, which is C = 2πr. In this case, the radius of the satellite's orbit is given as the distance from Earth's surface to the satellite, which is 36,000 kilometers.

However, we need to add the radius of the Earth to this distance to get the actual radius of the orbit. The radius of the Earth is approximately 6,400 kilometers. So, the total radius of the satellite's orbit is 36,000 kilometers + 6,400 kilometers = 42,400 kilometers.

Now we can substitute the radius into the formula to find the circumference of the orbit:
C = 2πr
C = 2π(42,400)
C ≈ 88,910 kilometers

Therefore, the circumference of the satellite's orbit is approximately 88,910 kilometers.

that would be, of course,

6400 + 36000 = ______ km