Decimal Notation - XYZ Custom Plus

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234Chapter 4 <strong>Decimal</strong> <strong>Notation</strong>Study SkillSIncrease EffectivenessYou want to become more and more effective with the time you spend on your homework. Youwant to increase the amount of learning you obtain in the time you have set aside. Increasethose activities that you feel are the most beneficial and decrease those that have not givenyou the results you want.Getting Ready for ClassAfter reading through the preceding section, respond in your ownwords and in complete sentences.1. If you multiply 34.76 and 0.072, how many digits will be to the right ofthe decimal point in your answer?2. To simplify the expression 0.053(9) 1 67.42, what would be the first stepaccording to the rule for order of operations?3. What is the purpose of estimating?4. What are some applications of decimals that we use in our everydaylives?
4.3 Problem Set235Problem Set 4.3A Find each of the following products. (Multiply.) [Examples 1–3, 5]1. 0.73 0.4}}2. 0.83 0.3}}3. 0.073 0.4}}4. 0.83 0.03}}}5. 0.033 0.09}}}6. 0.073 0.002}}}7. 2.6(0.3)8. 8.9(0.2)9. 0.93 0.88}}}10. 0.83 0.99}}}11. 3.123 0.005}}}12. 4.693 0.006}}}13. 4.0033 6.07}}}14. 7.00013 3.04}}}}15. 5(0.006)16. 7(0.005)17. 75.143 2.5}}18. 963.83 0.24}}}19. 0.13 0.02}}}20. 0.33 0.02}}}21. 2.796(10)22. 97.531(100)23. 0.00433 100}}24. 12.3453 1,000}}}25. 49.943 1,000}}}26. 157.023 10,000}}}}27. 987.6543 10,000}}}}28. 1.233 100,000}}}}A Perform the following operations according to the rule for order of operations. [Examples 7, 8]29. 2.1(3.5 2 2.6)33. 2.02(0.03 1 2.5)37. (2.1 2 0.1)(2.1 1 0.1)41. 4.23 2 5(0.04 1 0.09)45. 100(1 1 0.08) 2 30. 5.4(9.9 2 6.6)34. 4.04(0.05 1 6.6)38. (9.6 2 0.5)(9.6 1 0.5)42. 7.89 2 2(0.31 1 0.76)46. 500(1 1 0.12) 2 31. 0.05(0.02 1 0.03)35. (2.1 1 0.03)(3.4 1 0.05)39. 3.08 2 0.2(5 1 0.03)43. 2.5 1 10(4.3) 247. (1.5) 2 1 (2.5) 2 1 (3.5) 2 32. 0.04(0.07 1 0.09)36. (9.2 1 0.01)(3.5 1 0.03)40. 4.09 1 0.5(6 1 0.02)44. 3.6 1 15(2.1) 248. (1.1) 2 1 (2.1) 2 1 (3.1) 2
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