What are the main real numbers

1.	What are the main real numbers
Answer» Real Numbers:\tAll rational and all irrational number makes the collection of real number. It is denoted by the letter R\tWe can represent real numbers on the number line. The square root of any positive real number exists and that also can be represented on number line\tThe sum or difference of a rational number and an irrational number is an irrational number.\tThe product or division of a rational number with an irrational number is an irrational number.\tThis process of visualization of representing a decimal expansion on the number line is known as the process of successive magnification

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