- 1. Which statement is true?
A) 20% = 1/20
B) 8.6 = 0.086%
C) 2/5 = 0.4
D) 0.3% = 0.03
- 2. Which shows 2.5% as a decimal?
A) 25.0
B) 250.
C) 2.5
D) 0.025
- 3. Which shows 4.9 as a percent?
A) 490%
B) 0.49%
C) 49%
D) 4.9%
- 4. What is 8% as a reduced fraction? (Use the "/" symbol to represent the fraction bar)
- 5. What is 0.6 as a reduced fraction? (Use the "/" to represent the fraction bar)
- 6. What is 4/9 as a decimal?
- 7. What is 6/7 as a percent?
- 8. Order 3/7, 40%, and 0.42 in order from least to greatest
A) 40%, 3/7, 0.42
B) 0.42, 40%, 3/7
C) 40%, 0.42, 3/7
D) 3/7, 40%, 0.42
- 9. What is 4.56 x 103 in standard form?
A) 456,000
B) 0.000456
C) 0.456
D) 4,560
- 10. What is 4.76 x 10-6 in standard form?
A) 0.00000476
B) 0.000000476
C) 4760000
D) 476000000
- 11. What is 0.00654 in scientific notation?
A) 6.54 x 104
B) 65.4 x 103
C) 6.54 x 10-3
D) 65.4 x 10-5
- 12. What is 345000000 in scientific notation?
A) 3.45 x 10-9
B) 34.5 x 109
C) 34.5 x 10-8
D) 3.45 x 108
- 13. Which decimal is equal to 10-3
A) -0.001
B) 0.0001
C) -0.003
D) 0.003
E) 0.001
- 14. which is equal to 10,000?
A) 10-4
B) 104
C) 105
D) 10-5
- 15. What power of ten represent 0.000001?
A) 106
B) 10-6
C) 105
D) 10-5
- 16. Which sign would be appropriate for the comparison: 4.2 x 10^ -3 ______ 4.2 x 10-2
A) =
B) <
C) >
- 17. Which sign would be appropriate for the comparison: 3.2 x 106 ______ 37 x 10 5
A) >
B) =
C) <
- 18. Which sign would be appropriate for the comparison: 4.7 x 10-3 ____ 47 x 10-4
A) =
B) <
C) >
- 19. Which of these numbers is the smallest: 4/6, 0.6, 67%
A) 4/6
B) 67%
C) 0.6
- 20. Order the following from least to greatest: 7.5 x 10-2, 3/4, 0.76, 7%
A) 7%, 7.5 x 10-2, 3/4, 0.76
B) 7.5 x 10-2, 0.76, 7%, 3/4
C) , 3/4, 0.76, 7%
D) 3/4, 7%, 7.5 x 10-2, 0.76
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