Io, one of Jupiter's satellites, has an orbital period of 1.77 d. Europa, another of Jupiter's satellites,

Question:

Io, one of Jupiter's satellites, has an orbital period of 1.77 d. Europa, another of Jupiter's satellites, has an orbital period of about 3.54 d. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from Jupiter's center. Jupiter's mass is 1.9 × 1027 kg.