Andrew is showing his work in simplifying −4.5 + 4.2 + 5.6 − 7.3. Identify any errors in his work or in his reasoning. Write feedback to Andrew explaining the mistake he made and how to correct his work. (10 points) Step Work Reasoning

−4.5 + 4.2 + 5.6 − 7.3 Original problem

1 −4.5 + 4.2 + 5.6 + (−7.3) Additive inverse

2 −4.5 + (−7.3) + 4.2 + 5.6 Commutative property

3 (−4.5 + (−7.3)) + (4.2 + 5.6) Associative property

4 −11.8 + 9.8 Simplify

5 −21.6 Simplify