Question

Which properties could you use to solve the following expression?
3 + 7 + 2 + 5 + 9

Answer 1

3+7+2+5+9
10+2+5+9
12+5+9
17+9
26

Answer 2

Communitive property and associative property

Explanation:

It doesn't matter what order there in you'll always get the same answers.