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OpenStudy (anonymous):
gustave is using front-end estimation. in estimating 72.93 - 28.07, gustave follows the steps bellow. where did he go wrong? Step 1: 72-28 = 44 step 2: 0.93 - 0.07 = 0 Step 3: 44 + 0 = 44 step 4: 72.93 - 28.07 = 44
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