Mathematics, 19.03.2021 05:30 azduce

Justin is evaluating the expression 12.53.8x, when x is 7.9. 12.5+3.847.9)
16.3(7.9)
128.77
What was Justin's error?
Justin should have multiplied 12.5 and 7.9 first.
Justin should have added 12.5 and 7.9 first.
Justin should have multiplied 3.8 and 7.9 first.
O Justin should have added 3.8 and 7.9 first.

Answers: 3

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You know the right answer?

Justin is evaluating the expression 12.53.8x, when x is 7.9. 12.5+3.847.9)
16.3(7.9)
12...