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To be able to do the problem 5(10 + 4) mentally, Zack does 50 + 20 instead of 5(14).
Zack is using which of the following properties?
associative
commutative
inverse
distributive

Respuesta :

Answer:

Step-by-step explanation:

the distrubutive property.

Definition: The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

eg:

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Answer:commutative

Step-by-step explanation:

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