Question

4) 20 + (30+7) +2 = (20 + 30) +7+2
Is it cummunitive associtive or Distributive

Answer 1

Distributive because you have to find the properties inside the parentheses to make it more simpler to solve

Answer 2

I believe it is distributive because you are finding the products. Yes, the numbers are mixed up but the parenthesis often involve distributive property.