Question

{(1, 0), (2, 0), (3, 0)}
are they ordered pairs?

Answer 1

yes, ordered pairs can be considered as co-ordinate points

Answer 2

(:

Answer 3

@idaliwow It says here that:

Definition of Ordered Pair
A pair of numbers used to locate a point on a coordinate plane is called an ordered pair.
An ordered pair is written in the form (x, y) where x is the x-coordinate and y is the y-coordinate.

So definitely, yes. :)