Mathematics, 10.03.2021 20:10 604341
Tamara rewrote the expression 0.2(4+1.4y - 2.1). her steps are shown.
step 1: 0.2 (4+1.4y-2.1)
step 2: 4.2 + 1.6y - 1.9
step 3: 4.2 - 1.9 + 1.6y
step 4: 2.3 + 1.6y.
which statement identifies and explains the first mistake tamara made?
Answers: 3
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Tamara rewrote the expression 0.2(4+1.4y - 2.1). her steps are shown.
step 1: 0.2 (4+1.4y-2.1)
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