Properties of Addition and Multiplication

✅CHECK YOUR ANSWERS✅

ON YOUR OWN ANSWERS
1) 10 + (a + 9)
10 + (9 +a) Commutative Property of Addition
(10 + 9) + a Associative Property of Addition
19 + a

2) (c + 2/3) + ½
c + (2/3 + ½) Associative Property of Addition
c + 1 1/6

3) 5(4n)
(5(4))n Associative Property of Multiplication
20n

This video is introduces both the commutative and associative properties of addition and multiplication. We use these properties to help us simplify algebraic expressions.

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[v_drift]

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