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Types of Numbers

Introductory Algebra Chapter 1

Natural numbers The counting numbers not including zero. N=1,2,3,4,5,6,7,8,9,...
Whole numbers Natural numbers with the addition of zero. W=0,1,2,3,4,5,6,7,8,9,...
Integers The whole numbers and their opposites, i.e. positive and negative whole numbers ...,-3,-2,-1,0,1,2,3,...
Rational numbers Can be written as a fraction (denominator cannot be zero) or written as a terminating or infinitely repeating decimal.
Irrational numbers Infinite nonrepeating decimals.
Real numbers All rational and irrational numbers.
Created by: cxris