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Section 1.3

Chapter 1. Section 1.3. Exercise #3. Round the number to the place value given. 3,261,437 (ten-thousands). 3,261,437. 1,437. 3,261,437 (ten-thousands). 3,260,000. Chapter 1. Section 1.3. Exercise #9. Round the number to the place value given. 3.671 (hundredths). 3.671. 1.

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Section 1.3

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  1. Chapter 1 Section 1.3 Exercise #3

  2. Round the number to the place value given.

  3. 3,261,437 (ten-thousands) 3,261,437 1,437

  4. 3,261,437 (ten-thousands) 3,260,000

  5. Chapter 1 Section 1.3 Exercise #9

  6. Round the number to the place value given.

  7. 3.671 (hundredths) 3.671 1

  8. 3.671 (hundredths) 3.670

  9. 3.671 (hundredths) 3.67

  10. Chapter 1 Section 1.3 Exercise #21

  11. Estimate the total cost of eight tires on sale for $56.99 each.

  12. per tire $56.99 6.99

  13. per tire $60.00

  14. x8 tires per tire $60 $480

  15. Chapter 1 Section 1.3 Exercise #27

  16. Estimate the total cost of the following meal at a fast-food restaurant: Deluxe Hamburger: $1.89 Giant Fries: $1.29 Soda: $0.89

  17. $1.89 .89 .29 $1.29 .89 $0.89

  18. + $1.89 $2.00 $1.29 $1.00 $0.89 $1.00 $4.00

  19. Chapter 1 Section 1.3 Exercise #37

  20. The graph shown gives the areas of the Great Lakes in square miles. Use the information to answer the following.

  21. Estimate the area of Lake Huron. 23,000 square miles

  22. Chapter 1 Section 1.3 Exercise #41

  23. The graph shown represents a survey of 1385 office workers and shows the percents of people who indicated what time of day they feel is most productive for them. Use the information to answer the following.

  24. Approximately how many people in the survey feel that late morning and early afternoon are the most productive times of day?

  25. 22% of 1385 office workers: 0.22(1385) = 304.7 7

  26. 22% of 1385 office workers: 0.22(1385) = 305 people

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