Download Name

Quiz Review 8.1-8.4
Name __________________________________
Simplify the expression. Write your answer using exponents. Circle your final answers.
1. (– 4)7 • (– 4)3
2. (– 10)5 • (– 10)2
6. (48 • 27)6
5. [(– 4)5]9
3. 82 • 84 • 8
4. (152)4
7. (135 • 8)5
Simplify the expression. Circle your final answers.
8. a10 • a2 • a6
12. (2ab)5
9. (z5)5
13. (2x3y)6
10. [(b + 1)2]3
11. (–3x)4
14. (3m7)4 • m3
15. 4p2 • (3p5)2
Simplify the expression. Write your answer using exponents. Circle your final answer.
14
5
125 12 3
6
( 5) 7
3
16. 8
17.
18.
19.
6
124
4
( 5) 2
F
I
G
HJ
K
20. (  1 ) 6
5
1 15
24. y9 . y
25.
22.
a I
F
G
H2b JK
3
5
1I
F
G
H4 JK 4
5
21. 38  1
31
4
 3 x 4 5
26.  6 4
 y 
13
23.
2m I
F
G
H3n JK
5
5
9
 3 x7  4


27.  2 y12 
Evaluate the expression. Write your answer using only positive exponents. Circle your final answer.
28. 3
–5
 5 –2
32.  
 8
29. 5
30. 3  7
 7 3
33.  
 4
34. 0–5
0
0
31.
 4 0

 3
35. 10–2  10–3
Simplify the expression. Write your answer using only positive exponents. Circle your final answer.
36. x–7
37. 2y–2
40. a2b–4
41. 3x–2y–5
c 
44. 
d
x
45. y 
38. (2b)–5
42. (4x–4y2)–3
x 
46. 4y
Write the number in scientific notation.
48. 415,620
49. 0.08104
50. 3,412,000
Write the number in standard form.
51. 8.1045  105
52. 1.012  102
53. 1.211 3 10–2
39. (–3m)–4
43. (8mn3)0
1
47. 3x–3y–7
54. 7.00135  10–5
Order the numbers from least to greatest.
55. 1.2  10–5; 0.001023; 1.045  10–3; 0.01036
Evaluate the expression. Write your answer in scientific notation.
56. (6  108)(5  10–2)
57. 4.510–5
58. (2  10–5)5
910–2
59. Oregon has an area of approximately 2.52  105 square kilometers. In 2000, the population of Oregon was
approximately 3.42  106 people. How many people were there per square kilometer in Oregon in 2000?