Mathematics
Mathematics, 20.08.2020 02:01, MoparorNocar061401

Andrew is showing his work in simplifying βˆ’4.5 + 4.2 + 5.6 βˆ’ 7.3. Identify any errors in his work or in his reasoning. Step Work Reasoning βˆ’4.5 + 4.2 + 5.6 βˆ’ 7.3 Original problem 1 βˆ’4.5 + 4.2 + 5.6 + (βˆ’7.3) Additive inverse 2 βˆ’4.5 + (βˆ’7.3) + 4.2 + 5.6 Commutative property 3 (βˆ’4.5 + (βˆ’7.3)) + (4.2 + 5.6) Associative property 4 βˆ’11.8 + 9.8 Simplify 5 βˆ’21.6 Simplify

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Andrew is showing his work in simplifying βˆ’4.5 + 4.2 + 5.6 βˆ’ 7.3. Identify any errors in his work or...

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