Mathematics, 07.12.2020 18:00 carealee
Andrew is showing his work in simplifying β4.5 + 4.2 + 5.6 β 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
β4.5 + 4.2 + 5.6 β 7.3 Original problem
1 β4.5 + 4.2 + 5.6 + (β7.3) Additive inverse
2 β4.5 + (β7.3) + 4.2 + 5.6 Commutative property
3 (β4.5 + (β7.3)) + (4.2 + 5.6) Associative property
4 β11.8 + 9.8 Simplify
5 β21.6 Simplify
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Andrew is showing his work in simplifying β4.5 + 4.2 + 5.6 β 7.3. Identify any errors in his work or...
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