Question

I don't understand this question someone please break it down for me

Answer 1

Yesss that’s correct

Answer 2

Explanation:

all u need to do is add all of the numbers. 0.45+-0.88+0.94+-0.96+0.83+2.36+1.39+0.35+-1.35+0.90+-1.39. The blue are positive numbers while the red are negative.