Mathematics, 26.10.2021 14:00, rosepotato789
Andrew is showing his work in simplifying ā4.5 + 4.2 + 5.6 ā 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
ā4.5 + 4.2 + 5.6 ā 7.3 Original problem
1 ā4.5 + 4.2 + 5.6 + (ā7.3) Additive inverse
2 ā4.5 + (ā7.3) + 4.2 + 5.6 Commutative property
3 (ā4.5 + (ā7.3)) + (4.2 + 5.6) Associative property
4 ā11.8 + 9.8 Simplify
5 ā21.6 Simplify
Answers: 2
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Andrew is showing his work in simplifying ā4.5 + 4.2 + 5.6 ā 7.3. Identify any errors in his work or...
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