Question 55970: What other sets of real numbers are there other than the set of real numbers, its subsets and find five examples of the set(s)?
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! For a detailed explanation, see my website by clicking on my tutor name "rapaljer" anywhere in algebra.com, then look for Basic Algebra, then Samples from Basic Algebra: One Step at a Time, then Chapter 1, then Section 1.01 Number Systems.
Meanwhile, these are the systems of numbers leading up to the Real Number System.
1. Natural Numbers = 1, 2, 3, 4, etc. It's "natural" to count on your fingers!
2. Whole Numbers= 0, 1, 2, 3, 4, etc.
3. Integers = 0, 1, 2, 3, 4, etc, also -1, -2, -3, -4, etc.
4. Rational Nunbers = any number that can be expressed as a "ratio" of two integers. This includes whole numbers, integers, fractions, terminating and repeating decimals, etc.
5. Irrational Numbers= numbers like  ,  ,  , etc.
The rational and irrational numbers have NO members in common, and together they form the real number system.
R^2 at SCC
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