Mathematics, 30.11.2020 17:50 hannahkharel2
Expression: (5−2)2+23×4 Step 1: (3)2+23×4 Step 2: 9+23×4 Step 3: 9+9×4 Step 4: 9+36 Step 5: 45 Emily made a mistake. Which step shows her first mistake? Step 1 Step 2 Step 3 Step 4
Answers: 2
--- This is correct because she solved the bracket first
--- This is correct because she solved 3^2 as 9
--- This is incorrect because 23 * 4 is not equivalent to 9 * 4
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Expression: (5−2)2+23×4 Step 1: (3)2+23×4 Step 2: 9+23×4 Step 3: 9+9×4 Step 4: 9+36 Step 5: 45 Emily...
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