1. Which of the following statements is true?

2. Which of the following statements is true?

3. 0 is not

4. \(\frac{1}{2}\) is 2

5. a + b = b + a is called

6. a × b = b × a is called

7. (a + b) + c = a + (b + c) is called

8. a × (b × c) = (a × b) × c is called

9. a(b + c) = ab + ac is called

10. The additive identity for rational numbers is