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anonymous

  • one year ago

Eva is showing her work in simplifying (7.3 – 7.2) – 3.8 + 3.7. In which step did Eva make an error? Step 1: (7.3 – 7.2) – 3.8 + 3.7 Step 2: 7.3 + (–7.2 – 3.8) + 3.7 (commutative property) Step 3: 7.3 – 11 + 3.7 Step 4: 7.3 + 3.7 – 11 (commutative property) Step 5: 11 – 11 = 0

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  1. LynFran
    • one year ago
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    The commutative property is a fundamental building block of math, but it only works for addition and multiplication.

  2. anonymous
    • one year ago
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    which step is wrong

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spraguer (Moderator)
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