Respuesta :

zederbear

Answer:

-9.8

Step-by-step explanation:

I switched them around and made 21.6 a negative and 12.8 a positive. So then it would be like doing 21.6-12.8 which is way easier

21.6

-12.8

____

9.8

Then you convert the 9.8 to a negative.

addiedacillo

Answer:

-8.8

Step-by-step explanation:

21.6

-12.8

____

8.8

- because 21 > 12.8

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