Question

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Answer 1

Answer:

1. rational

2.Let a be positive and b be negative.

Then,

a/b is negative and ab is also negative

3. -7/2

4. a+(b+c)

5. 21/56

6. 23/70

7. 1 and -1

8.   8/35

9. 1

10.  is always negative

11. 0

Step-by-step explanation:

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