Answer:
How does the number line help you in arranging real number?
A real number line, or simply number line, allows us to visually display real numbers by associating them with unique points on a line. The real number associated with a point is called a coordinate. ... Next, choose any point to represent the number zero; this point is called the origin.
Step-by-step explanation:
A set is a collection of objects, typically grouped within braces { } , where each object is called an element. For example, {red, green, blue} is a set of colors. A subset is a set consisting of elements that belong to a given set. For example, {green, blue} is a subset of the color set above. A set with no elements is called the empty set and has its own special notation, { } or ∅ .
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