Mathematics, 26.11.2019 15:31 katekatdawsonke3863

Matt is showing his work in simplifying (6.2 − 1.6) − 4.4 + 7.8. identify any error in his work or reasoning.

step 1: (6.2 − 1.6) − 4.4 + 7.8
step 2: 6.2 + (− 1.6 − 4.4) + 7.8 (commutative property)
step 3: 6.2 − 6 + 7.8
step 4: −14 − 6 = 8 (commutative property)
step 5: 14 − 6 = 8

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Matt is showing his work in simplifying (6.2 − 1.6) − 4.4 + 7.8. identify any error in his work or r...