- 1. Which number represents 2.9 x 105 in standard notation?
A) .0000029
B) .000029
C) 290000
D) 2900000
- 2. A company's profit of $1.71 x 106 will be shared equally by its 3,800 employees. How much money will each employee receive?
A) $4.5 x 103
B) $4.5 x 105
C) $4.5 x 102
D) $4.5 x 101
- 3. A light year is defined as approximately 5,880,000,000,000 miles. Which distance is the same as a light year?
A) 5.88 x 1012
B) 5.88 x 1013
C) 5.88 x 1010
D) 5.88 x 1011
- 4. What is 0.0000832 written in scientific notation?
A) 8.32 x 10-5
B) 832 x 10-7
C) 0.832 x 10-4
D) 83.2 x 10-6
- 5. A scientitst measured some bacterial cells. The average diameter of the cells was 0.0000032 millimeters. What is this measurement written in scientific notation?
A) 3.2 x 107
B) 3.2 x 10-6
C) 3.2 x 106
D) 3.2 x 10-7
- 6. For a science project, Nick found that the width of a human hair is about 1.1 × 10-3 inches. What is this width written in standard form?
A) 0.011 inches
B) 0.000011 inches
C) 0.0011 inches
D) 0.00011 inches
- 7. In 2000, the population of the United States was about 2.9 ×108. The land area of the United States is about 3,500,000 square miles. Find the average number of people per square mile in the United States in 2000.
A) 35 people per square mile
B) 90.25 people per square mile
C) 82.86 people per square mile
D) 100.23 people per square mile
- 8. The distance between Earth and the Sun is approximately 150,000,000 kilometers. What is this distance written in scientific notation?
A) 1.5 x 109
B) 1.5 x 107
C) 1.5 x 106
D) 1.5 x 108
- 9. 3.9 x 10-4 is, <,>,= 3.9 x 10-2
A) =
B) <
C) >
- 10. 4.27 x 10-3 is, <,>,= 2.8 x 10-3
A) >
B) =
C) <
- 11. What is 345.22 written in scientific notation?
A) 3.4 x 102
B) 3.45 x 102
C) 3.4522 x 102
D) 3.22 x 102
- 12. Order these numbers from LEAST to GREATEST. 6.01 x 10-6, 6.1 x 10-6, 6.1 x 10-7
A) 6.1 x 10-7, 6.01 x 10-6, 6.1 x 10-6
B) 6.1 x 10-6, 6.01 x 10-6, 6.1 x 10-7
C) 6.01 x 10-6, 6.1 x 10-7, 6.1 x 10-6
- 13. What is 5.501 x 10-5 written in standard form?
A) 0.000005501
B) 0.00005501
C) .550100000
D) 0.55010000
- 14. What is 643,000 written in scientific notation?
A) 6.43 x 10-3
B) 6.43 x 10-5
C) 6.43 x 105
D) 6.43 x 103
- 15. What is 0.000000081 written in scientific notation?
A) 8.1 x 108
B) 8.1 x 10-8
C) .81 x 10-6
D) 81 x 10-7
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