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?

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