第1320题：infinity

The continuity of lines in geometry and calculus motivates another flavor of infinity:

On a line or line segment, any two points that have any non-zero distance between them have infinitely many points between them.

For example, there is always a point exactly halfway between any two points on a line segment. And, as we'll discuss later in this course, this also corresponds to the fact that there is always a decimal value that's exactly halfway between any pair of different decimal values.

If the two positions X and Z on the line above are a distance of 0.1010 apart and if Y is exactly halfway between X and Z, what is the distance from X to Y?

A. 0.501

B. 0.051

C. 0.0505

D. 0.0101

From Brilliant.