Posted by **Brandi** on Wednesday, March 27, 2013 at 6:04pm.

need help on this review question. Determine each sum by writing an equivalent numberical expression using Commutative and Associate properties.

3 + 9 + 7 + 6

For commutative could you just put

3 + 7+ 9 + 6?

I'm confused on what do do for associative since there are no parenthesis in the original problem. Thanks,

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