I. Rational Numbers including:
a. integers = positive and negative integers ( -4, -3, -2, -1, 0, 1, 2 )
b. natural or counting numbers (1, 2, 3,...)
c. whole numbers = the natural numbers plus zero ( 0, 1, 2,...)
d. repeating and terminating decimals and fractions (-0.5, 1/2, 1/3)
a. non-repeating, non terminating decimals ad their opposites (pi, square root of 5)
It would be a bit stupid to call a system the real number system if real numbers were not a part of it!
The real number system is a number system using the rational and irrational numbers.
real number system (diagram) and explain it
100 is an element in the real number system. It is a member of the set of real numbers.
component of real number