Question

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.

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

Answer 1

Hello Again :D

Answer 2

Any help?

Answer 3

i saw used both of your guys work i was seeing if you both were right so i was sure.

Answer 4

anyways

Answer 5

i cant best response two people

Answer 6

do you see his mistake ?

Answer 7

lemme give you a hint dont get all caught up in the cluster in the first steps the mistake is at the end