Question

−7.9 + 8.2 − 3.4 + 2.1

Answer 1

-1 is your answer
i hope i helped

Answer 2

8.2 + 2.1 = 10.3

-7.9 - 3.4 = - 11.3

10.3 - 11.3 = -1

your answer is -1 word form: negative one

hope this helps