Name STUDY LINK 29 Date Time Using Scientific Notation Write each number in standard notation. 7 4 -3 1. 1.24 ∗ 10 = 2. 3.5 ∗ 10 3. 8 ∗ 10- 6 = 4. 7.061 ∗ 108 = 8 = Change the numbers given in standard notation to scientific notation. Change the numbers given in scientific notation to standard notation. 5. Light travels about 11,802,000,000, or per second. , inches 6. A bacterium can travel across a table at a speed of 1.6 ∗ 10 - 4 , , km per hour. or 7. One dollar bill has a thickness of 0.0043, or 8. The mass of 1 million pennies is approximately 2.835 ∗ 106, or , inches. , grams. Use <, >, or = to compare each pair of numbers. 10- 2 Copyright © Wright Group/McGraw-Hill 9. 10- 3 1.2 ∗ 106 10. 1.23 ∗ 10- 3 12. 5.4 ∗ 10- 1 1.23 _ 1,000 9.6 ∗ 10- 4 11. 9.87 ∗ 105 13. Explain how you can tell whether a number written in scientific notation is less than 1. Practice Solve mentally. 14. 3,625 + 3,999 = 15. 8.7 - 4.99 = 16. 4 ∗ 225 = 17. 100,000 / 500 = 18. 683 - 298 = 19. 387 + 499 = 59 EM3cuG6MM_U02_041-070.indd 59 1/7/11 3:38 PM