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Number System

Section 1.1

Natural Numbers set of #’s used for counting {1, 2, 3, 4…}
Whole Numbers Includes all natural numbers and 0 {0, 1, 2, 3, 4…}
Integers Positive and Negative whole #’s including 0. {…-3, -2, .1, 0, 1 ,2 ,3…}
Rational Numbers a set of #’s that can be written as a ratio where a/b, are integers and b cannot be 0 1/4=.25
Irrational Numbers numbers that cannot be written as a ration of two integers. = 1.4142… π = 3.14159…
Real Numbers set of rational and irrational numbers (All numbers on the number line)
What is the FIRST order of operation? Parenthesis
What is the SECOND order of operation? Exponents
What is the THIRD order of operation Multipication and Division (From Left to Right)
What is the FOURTH order of operation? Addition and Subtraction (From Left to Right)
Created by: ma101