I think the answer would be 7/50
If the number before the place you are rounding to is a 5 or more you round up but if it is a 4 or below it stays the same so the answer is 28,000,000
True
The Perpendicular Bisector Theorem states, If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment