Answer:The third one is!!
Step-by-step explanation:
The commutative property of addition says that changing the order of addends does not change the sum. Here's an example: 4 + 2 = 2 + 4 4 + 2 = 2 + 4 4+2=2+4
Im not sure but I think could be
3x=0
3.868 * 10 ^ 9
It's saying my answer is too short so i'm adding more (lol).
Answer:the number of lawns he mowed
Step-by-step explanation: