Answer:
commutative property
Step-by-step explanation:
Answer:
17+21=21+17 is commutative property
Step-by-step explanation:
so the Commutative Property is the one that refers to moving stuff around. For addition, the rule is "a + b = b + a"; in numbers, this means 2 + 3 = 3 + 2. For multiplication, the rule is "ab = ba"; in numbers, this means 2×3 = 3×2.
