peterlangford13 peterlangford13

01-09-2018
Mathematics

contestada

What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5

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01-09-2018

2.1 + (–3.4 + 5) = [ + (–3.4)] + 5 = false

2.1 + (–3.4 + 5) = 3.7

[ + (–3.4)] + 5 = 1.4

Thus your answer is 2.1

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