Question

which mathematical property is demonstrated 7+9+3=7+3+91.Associative property of addition 2. Associative property of multiplication 3. commutative property of addition 4. commutative property of multiplication

Answer 1

Mathematical properties

In the case

7 + 9 + 3 = 7 + 3 + 9

we can see this is an addition, then just option 1 and 3 can be true.

In this case we have no grouped numbers but we have that their order was changed.

The associative property refers to grouped numbers and the commutative property refers to the change of order of the terms of the sum, then

Answer: 3. commutative property of addition