<u>Communatative Property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer</u>
To help you understand this, let's try switching out the variables for numbers.
Let's say a=3 and b=2
We know that 3 times 2 is 6. By using the Communatative Property we also know that 2 times 3 is 6 (because if we switch the position of the numbers 3 and 2, we would still get the answer 6) So....