Section 1.6 Multiplication and Division of Real Numbers 71 Review Exercises For Exercises 2–6, determine if the expression is true or false. 2. 3. 6 122 7 5 6 06 0 014 0 03 0 017 0 136 06 0 7 0 19 03 0 0 4. 5. 6. 14 03 0 12 125 Concept 1: Multiplication of Real Numbers For Exercises 7–14, multiply the real numbers. (See Example 1.) 7. 8. 9. 10. 8172 132 4 11121132 1521262 2 3 11. 12. 13. 14. Concept 2: Exponential Expressions For Exercises 15–22, simplify the exponential expressions. (See Example 2.) 15. 16. 17. 18. 1622 11022 62 102 5 2 3 3 19. 20. 21. 22. Concept 3: Division of Real Numbers For Exercises 23–30, divide the real numbers. (See Examples 3–4.) 23. 24. 25. 26. 27. 28. 29. 30. For Exercises 31–38, show how multiplication can be used to check the division problems. 31. 32. 33. 34. 35. is undefined 36. is undefined 37. 38. Mixed Exercises For Exercises 39–78, multiply or divide as indicated. 39. 40. 41. 42. 43. 44. 45. 46. 2 3 8 6 2132 8162 1242 3 1522 2 1242 132 1522 122 47. 48. 49. 50. 6 0 8 0 18 0 42 0 1 10 2 5 51. 52. 53. 54. 0 a 4 9 0 b a 0 a b 1 8 0 a b b 24 162 4 18 2 9 4 0 6 0 0 4 0 0 5 0 18 6 3 14 2 7 7 77 13 65 21 21 14 14 21 16 15 17 27 3 54 9 a b 10.224 10.124 a 3 5 b a 5 4 ba 12 25 a ba b 9 8 12.2215.82 19.1214.52 b
miller_beginning_intermediate_algebra_4e_ch1_3
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