Sandra is showing her work in simplifying (3.3 - 4.2) - 2.8 + 5.7. Identify any error in her work or reasoning. Step 1: (3.3 - 4.2) - 2.8 + 5.7 Step 2: 3.3 + ( - 4.2 - 2.8) + 5.7 (distributive property) Step 3: 3.3 - 7 + 5.7 Step 4: 3.3 + 5.7 - 7 (commutative property) Step 5: 9 - 7 = 2
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