What Is The Average Distance From The Sun In AU Of An Asteroid With An Orbital Period Of 8 Years?

What Is The Average Distance From The Sun In AU Of An Asteroid With An Orbital Period Of 8 Years? E. planets have circular orbits. From Kepler’s third law, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to A. 4 astronomical units B. What is