Please someone help! I think I did the wrong subject...but I REALLYY need help on this! I'LL MAKE THIS 40 POINTS!!! HERE ARE THE QUESTIONS! If the mass of the sun is 1x, at least one planet will fall into the habitable zone if I place a planet in orbits___, , , and , and all planets will orbit the sun successfully.
If the mass of the sun is 2x, at least one planet will fall into the habitable zone if I place a planet in orbits___, , , and , and all planets will orbit the sun successfully.
If the mass of the sun is 3x, at least one planet will fall into the habitable zone if I place a planet in orbits___, , , and , and all planets will orbit the sun successfully.

PLEASE PLEASE HELP!