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NSC4

WGU Mathematics Content (5-9) Part III: Number Systems & Algebraic

QuestionAnswer
Addition commutative means order does not matter. A + B = B+ A 2+3 = 3+2 Addition commutative
Subtraction Commutative does not hold 2-3 does not = 3-2 Subtraction Commutative
Multiplication Commutative does not matter 2*3=3*2 Multiplication Commutative
Division Commutative matter 2/3 does not = 3/2 Division Commutative
Addition associative means that grouping does not make a difference. (2+3)+4 = 2+(3+4) Addition associative
Subtraction associative does not hold. (2-3)-4 does not equal 2-(3-4) Subtraction associative
Multiplication Associative does not matter. (2*3)*4 = 2*(3*4) Multiplication Associative
Associative does not hold for division (8/4)/2 does not equal 8/(4/2) Associative DIVISION
Identity element For addition is 0 Identity element
Created by: hrichey
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