68 Chapter 1 Whole Numbers For Exercises 21–36, evaluate the exponential expressions. (See Example 1.) 21. 22. 23. 24. 23 42 32 52 33 112 53 43 25. 26. 27. 28. 25 63 34 54 29. 30. 31. 32. 12 13 14 15 33. 34. 35. 36. 37. Explain what happens when the number 1 is raised to any power. (See Exercises 33–36.) For Exercises 38–41, evaluate the powers of 10. 38. 39. 40. 41. 102 103 104 105 109 42. Explain how to get without doing the repeated multiplication. (See Exercises 38–41.) Concept 2: Square Roots For Exercises 43–50, evaluate the square roots. (See Example 2.) 43. 44. 45. 46. 14 19 136 181 47. 1100 48. 149 49. 10 50. 116 Concept 3: Order of Operations 51. Does the order of operations indicate that addition is always performed before subtraction? Explain. 52. Does the order of operations indicate that multiplication is always performed before division? Explain. For Exercises 53–93, simplify using the order of operations. (See Examples 3 and 4.) 53. 54. 55. 56. 6 10 2 4 3 7 10 32 11 22 110 322 111 222 36 2 6 48 4 2 57. 58. 59. 60. 15 15 82 41 113 82 113 22 5 2 18 42 6 8 61. 62. 63. 64. 65. 66. 67. 68. 4 12 3 9 15 125 30 2 19 55 11 5 72 52 33 23 17 522 13 223 69. 70. 71. 72. 73. 74. 75. 76. 100 5(2) 60 3(2) 90 3 3 80 2 2 181 219 12 1121 318 32 36 122 52 42 132 22 77. 78. 79. 80. 81. 82. 83. 84. 80 120 42 6 120 148 82 40 143 262 2 42 151 482 3 72 118 52 123 11002 1136 112 131 162 80 192 7 1122 85. 86. 87. 108 133 6 422 22 41125 322 17 317 1922 88. 89. 90. 91. 96 3142 7 6 52 92. 50 2136 12 2 42 93. 16 5120 4 8 32
miller_basic_college_math_3e_ch1_3
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