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NSC4
WGU Mathematics Content (5-9) Part III: Number Systems & Algebraic
| Question | Answer |
|---|---|
| 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 |