Unit 2 Mid Unit Test Review

1. Find the value of

0

25

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

3. Evaluate:

010 2 3

4. Evaluate:

2

5

5. Simplify:

10

523

6. What is equivalent to as a fraction?

0.54

7. Evaluate when x = 2

42x

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

9. What is 0.00000053 in scientific notation?

10. What is in standard form?

82.46 10

11. What is 1.27 x 105 in standard form?

12. Evaluate: 42 -42

(-4) 2 4-2

13. Simplify:

2 4 64x y z

14. Simplify:

5 9

5 3

3

2

a b c

a c

15. Simplify:

3 54 2x x

16. Classify as rational or irrational:

12 36

17. Simplify:

6 3 2

3 6 8

d e f

d e f

18. Write as a decimal:

3

1000

19. Simplify the fraction:

42

100

20. Simplify:

2

3 4 62 f gh

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

22. Write in standard form: 3.67 x 106

23. Simplify:

3 5 23 4st s t

24. Write in scientific notation: 0.0000097

25. Simplify and rewrite with positive exponents:

7 9 2

4 9

15

3

p q r

p q

26.

3 3(4 )x