5.864 round to the nearst tenth

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?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

If a is a nonzero real number then the reciprocal of a is