1. Unit 2 Mid Unit Test Review

2. Find the value of

3. 2. Is 3.452 rational or irrational? Real or not real?

4. 3. Evaluate:

5. 4. Evaluate:

6. 5. Simplify:

7. 6. What is equivalent to as a fraction?

8. 7. Evaluate when x = 2

9. 8. What is 1,230,000,000 in scientific notation?

10. 9. What is 0.00000053 in scientific notation?

11. 10. What is in standard form?

12. 11. What is 1.27 x 105 in standard form?

13. 12. Evaluate: (-4)

14. 13. Simplify:

15. 14. Simplify:

16. 15. Simplify:

17. 16. Classify as rational or irrational:

18. 17. Simplify:

19. 18. Write as a decimal:

20. 19. Simplify the fraction:

21. 20. Simplify:

22. 21. Write in standard form: 5.623 x 10-8

23. 22. Write in standard form: 3.67 x 106

24. 23. Simplify:

25. 24. Write in scientific notation: 0.0000097

26. 25. Simplify and rewrite with positive exponents: