The ORIGIN
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magnitude
real number
Yes, it does.
Yes, it does.
In basic mathematics, a number line is a picture of a graduated straight line that serves as abstraction for real numbers, denoted by R{\displaystyle \mathbb {R} }. Every point of a number line is assumed to correspond to a real number, and every real number to a point. Often integers are shown as specially-marked points evenly spaced on the line.