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Name _________________________________ Period_________ Date________________ Created by Corbin/Lyons Pre-Algebra: Scientific Notation #2 (page 1) Circle the numbers that are in correct scientific notations. Write those that are not in correct scientific notation. 1. 4. 32.1 × 107 3.88 × 105 2. 5. 3.6 × 104 3. 45.27 × 10−5 6. 7.8 × 10−5 0.000051 × 105 Write each of the following numbers in scientific notation. Round to two decimal places if necessary. 7. 430,000,000 =__________________ 8. 0.00000032=__________________ 9. 0.0000041=__________________ 35,000,000,000=__________________ 10. Write each of the following numbers in standard notation. 15. 17. 6.78 × 103 =__________________ 16. 5.11 × 10−6 =__________________ 18. 2.7 × 108 =__________________ 2.81 × 10−8 =__________________ Name _________________________________ Period_________ Date________________ Created by Corbin/Lyons Pre-Algebra: Scientific Notation #1 (page 1) Circle the numbers that are in correct scientific notations. Write those that are not in correct scientific notation. 1. 4. 32.1 × 107 3.88 × 105 2. 5. 3.6 × 104 3. 45.27 × 10−5 6. 7.8 × 10−5 0.000051 × 105 Write each of the following numbers in scientific notation. Round to two decimal places if necessary. 7. 430,000,000 =__________________ 8. 0.00000032=__________________ 9. 0.0000041=__________________ 35,000,000,000=__________________ 10. Write each of the following numbers in standard notation. 11. 13. 6.78 × 103 =__________________ 12. 5.11 × 10−6 =__________________ 14. 2.7 × 108 =__________________ 2.81 × 10−8 =__________________ Pre-Algebra: Scientific Notation #1 (page 2) 15. This is a picture of a calculator screen. Which is an answer to the problem on the calculator? ( )( Show your work for how you got the answer for the multiple choice question. ) Which is an answer to the problem on the calculator? (A) 4.5 E −2 (B) 4.5 E 10 16. (C) 5 E −2 (D) 5 E 24 6.7E7=___________________ 17. 4.5E-4=____________________ Fill in the blank to make the statement true. 2.1 × 108 is __________________________times larger than 2.1 × 103 . 18. 4.2 × 104 is __________________________times larger than 4.2 × 10−2 . 19. 8.4 × 105 is __________________________times larger than 4.2 × 107 . 20. Pre-Algebra: Scientific Notation #1 (page 2) 15. This is a picture of a calculator screen. Which is an answer to the problem on the calculator? ( )( ) Show your work for how you got the answer for the multiple choice question. Which is an answer to the problem on the calculator? (A) 4.5 E −2 (B) 4.5 E 10 16. (B) 5 E −2 (D) 5 E 24 6.7E7=___________________ 17. 4.5E-4=____________________ Fill in the blank to make the statement true. 18. 19. 20. 2.1 × 108 is __________________________times larger than 2.1 × 103 . 4.2 × 104 is __________________________times larger than 4.2 × 10−2 . 8.4 × 105 is __________________________times larger than 4.2 × 107 .