What is 500,580 rounded to the nearest thousands

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Can someone me and plz do the problem

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is