Which of the following properties justifies the statement 3 • 5 + 3 • 6 = 3 • 5 + 6 • 3?

Answer: commutative property

Step-by-step explanation:

basically the commutative property of multiplication says that it doesn't matter what order you multiply the numbers, it will all equal the same.

the rule is "ab = ba"; in numbers, this means 6*3 = 3*6