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-50 to -51; 49 to 50; -48 to -49; 48 to 49; 50 to 51
I just add one
Answer:
Step-by-step explanation:
5.

6.

7.

8.

9.

10.

Answer:
In step 5, andrew made a mistake by subtracting 9.8 instead of adding 9.8. Andrew should've have obtained the answer -2, but because of his mistake the answer is incorrect.
Answer:
3
Step-by-step explanation:
hope it is right and is helpful