math
posted by
cody
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What property of addition is shown in the following number sentence? why?

math  incomplete 
Ms. Sue
No number sentence given.

math 
cody
opps sorry 7+(3+5)=(7+3)+5

math 
Jen
Associative property, because the parenthesis are just moved around.

math 
TutorCat
http://www.algebra.com/algebra/homework/Distributiveassociativecommutativeproperties/changethisname23395.lesson

math 
Adna
Explain why 7*8 is not a number sentence