Determine the period of a planet in the Solar System with semi-major axis of 22 AU. Express your answer in units of years. [If you express your value in scientific notation, write 5.67×10^8 as 5.67E8, &etc. the capital E is important]
2. Determine the semi-major axis of a planet in the Solar System with period of 12 yrs. Express your answer in units of Astronomical Units (AU). [If you express your value in scientific notation, write 5.67×10^8 as 5.67E8, &etc. the capital E is important]