How do u write 53,806 in expanded form using

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Could somebody me with this radical simplification?

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?