Mathematics, 17.12.2020 22:40 tynyiaawrightt
Tom is showing his work in simplifying (5.2 β 8.5) β 0.5 + 6.8. In which step did Tom make an error? Step 1:: (5.2 β 8.5) β 0.5 + 6.8 Step 2: 5.2 + (β8.5 β 0.5) + 6.8 (distributive property) Step 3: 5.2 β 9 + 6.8 Step 4: 5.2 + 6.8 β 9 (commutative property) Step 5: 12 β 9 = 3 Step 2; he wrote distributive instead of commutative Step 2; he wrote distributive instead of associative Step 4; he wrote commutative instead of associative Step 4; he wrote commutative instead of distributive
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Tom is showing his work in simplifying (5.2 β 8.5) β 0.5 + 6.8. In which step did Tom make an error?...
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