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Worksheet: Scientific Notation PRACTICE: Convert to scientific notation: 1. 0.0067 Convert to decimals: 11. 5.78 x 10-8 2. 4500 12. 7.8 x 104 3. 0.00000059 13. 9.13 x 10-2 4. 67.89 14. 3.5 x 104 5. 483000000 15. 7 x 10-3 6. 456. 9 16. 9 x103 7. 0.00308 17. 1.1 x 10-2 8. 0.407 18. 1.5 x 106 9. 3140700000 19. 4.67 x 10-2 10. 0.00715 20. 9 x 104 MULTIPLICATION AND DIVISION OF NUMBERS USING SCIENTIFIC NOTATION PRACTICE: 21. 8.2 x 10-3 x 2.6 x 108 22. 2.9 x 1016 x 7.1 x 10-3 23. 6.18 x 1019 / 2.00 x 108 = 24. 1.4 x 10-3 / 3.5 x 1011 = = = 25. (7.5 x 1010) (2.6 x 103) (1.2 x 1019) = Worksheet - Significant Figures Determine how many significant figures are in each of the following measurements: 1. 0.0078030 m 2. 33.800 g 3. 2100.0 N 4. 38,500 miles 5. 5,000,001 mm 6. 7.05 J Round each of the following measurements off so that they each contain 3 significant figures (you may use scientific notation if you prefer): 7. 700.2 g 8. 999.9 Hz 9. 12.68 cm 10. 7,047,011 mg Perform the prescribed operations. Round your answers to the proper number of significant figures. Include the appropriate units in your answer. 11. 92.43 m / 5.77 s = 12. 41.34 g + 52.482 g + 42.9 g = 13. 5.28 m x 12.99 m = 14. (7.36 m / 1.23 s) / 3.4 s = 15. 5.28 V x 3 =