Scientific Notation Unit Test PDF

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Scien Scientific tific Not Notatio atio ation n Test This is the multiple-choice section of your test. It is worth 100 points. Read each question thoroughly. Choose the best answer. Answer by filling in the correct bubble on a scan-tron sheet. 1. Write 6.37e-2 in standard form. A. .00637 B. .0637 C. 637 D. 63700 2. Which is the best example of a number written in scientific notation? A. B. C. D.

105

.5 x .1254 5.367 x 10-3 12.5 x 102

3. 5 x 104 ÷ 2.5 x 102 = A. B. C. D.

2 x 102 12.5 x 102 .5 x 106 5 x 106

4. 2.1 x 10-3 x 2 x 102 = A. B. C. D.

4.2 x 10-6 4.2 x 10-5 4.2 x 10-1 4.2 x 101

5. 2.5 x 104 – 1.5 x 103 = A. B. C. D.

1 x 101 1 x 107 2.35 x 104 2.35 x 107

6. 3 x 104 + 2.5 x 105 = A. B. C. D.

.5 x 105 2.8 x 105 3.25 x 105 5.5 x 109

7. What is 4.01 x 100 written in standard form? A. B. C. D.

0.401 4.001 4.01 40.1

8. What is 0.000058 written in scientific notation? A. B. C. D.

5.8 x 10-6 5.8 x 10-5 5.8 x 105 5.8 x 106

9. What is 6.92 x 10-3 written in standard form? A. B. C. D.

0.000692 0.00692 0.0692 0.692

Na Name: me: me:____ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _______ ____ _____Peri _Peri _Period: od: od:_____ _____ Da Date:__ te:__ te:_____ ___ _______ ____ ________ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _____

Scien Scientific tific Not Notatio atio ation n Test This is the multiple-choice section of your test. It is worth 100 points. Read each question thoroughly. Choose the best answer. Answer by filling in the correct bubble on a scan-tron sheet. 10. The length of the Amazon River in South America is 6, 400 kilometers. What is the length written in scientific notation? A. B. C. D.

6.4 x 102 km 6.4 x 103 km 6.4 x 104 km 6.4 x 105 km

11. A virus is viewed under a microscope. Its diameter is 0.0000002 meter. How would this length be expressed in scientific notation? A. B. C. D.

2 x 10-7 m 2 x 10-6 m 2 x 106 m 2 x 107 m

12. A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5 x 105 meters by 4 x 104 meters. Find the area of the land in square meters. A. B. C. D.

9 x 101 square meters 9 x 109 square meters 2 x 1010 square meters 20 x 109 square meters

13. California has approximately 4 x 107 people living in it. The population of the entire United States is approximately 3 x 108 people. About how many times greater is the population of the United States than the population of California? A. .75 x 1015 times B. .75 x 101 times C. 7.5 times 14. Which should I use to measure the length of a desk top? A. B. C. D.

kilometer hectometer millimeter centimeter

15. The government will give each state the same amount of social security numbers. There are 5 × 109 available numbers to give in total. How many will be allocated to each state? A. B. C. D.

25 × 1010 1 × 108 100,000,000 Both B and C

Na Name: me: me:____ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _______ ____ _____Peri _Peri _Period: od: od:_____ _____ Da Date:__ te:__ te:_____ ___ _______ ____ ________ ____ _______ ___ _______ ____ _________ _____ _________ ____ _______ ___ _____

Scien Scientific tific Not Notatio atio ation n Test This is the multiple-choice section of your test. It is worth 100 points. Read each question thoroughly. Choose the best answer. Answer by filling in the correct bubble on a scan-tron sheet. 16. For which value of k is the equation below true? 4,522,800,000 = 4.5228 × 10k ? A. B. C. D.

5 8 9 10

17. Since 1993, the global average sea level has risen 3.1 × 10-3 meters per year due to melting glaciers and other factors. Which of the following units is equivalent to 3.1 × 10-3 meters per year? A. B. C. D.

3.1 kilometers per year 3.1 centimeters per year 3.1 decimeters per year 3.1 millimeters per year

18. A box contains 5 x 103 paper clips. The mass of each paper clip in the box is 8 x 10-4 kilogram. What is the combined mass of the paper clips in the box? A. B. C. D.

4 kilograms 40 kilograms 4 x 107 kilograms 4 x 10-7 kilograms

19. Which will be the exponent of the common factor when finding the sum of 4.15 × 10-3 and 5.28 × 106? A. B. C. D.

3 4.15 5.28 6

20. The coefficient part of a number written in scientific notation is between which numbers? A. 1 and 10 B. -1 and -10 C. Both A and B...