Page 115 - Basic College Mathematics with Early Integers

92 C HAPTE R 1 I THE WHOLE NUMBERS

49. 2144 50. 20 51. 216 52. 2169

Objective Simplify. See Examples 12 through 16. (This section does not contain square roots.)

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53. 15 + 3 2 54. 24 + 6 3 55. 14 , 7 2 + 3 56. 100 , 10 5 + 4
24 8
57. 32 , 4 - 3 58. 42 , 7 - 6 59. 13 + 60. 32 +
8 2

5 + 12 , 4 6 + 9 , 3
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61. 6 5 + 8 2 62. 3 4 + 9 1 63. 7 64. 2
1 3
2
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3
65. (7 + 5 ) , 4 2 3 66. 6 2 # (10 - 8) 67. 5 2 # (10 - 8) + 2 + 5 2
18 + 6 40 + 8
3
2
3
68. 5 , (10 + 15) + 9 + 3 69. 4 2 70. 2 2
2 - 2 5 - 3
7(9 - 6) + 3
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71. (3 + 5) (9 - 3) 72. (9 - 7) (12 + 18) 73. 2
3 - 3
5(12 - 7) - 4
74. 75. 8 , 0 + 37 76. 18 - 7 , 0
2
5 - 18
4
77. 2 4 # 4 - (25 , 5) 78. 2 3 # 3 - (100 , 10) 79. 3 - [35 - (12 - 6)]

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80. [40 - (8 - 2)] - 2 5 81. (7 5) + [9 , (3 , 3)] 82. (18 , 6) + [(3 + 5) 2]
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83. 8 [2 + (6 - 1) 2] - 50 2 84. 35 , [3 + (9 - 7) - 2 ] + 10 3
2
2
3
2
9 + 2 - 1 2 5 - 2 + 1 4
85. 86.
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8 , 2 3 1 , 3 10 , 5 4 1 , 4
Simplify. See Examples 12 through 17. (This section does contain square roots.)
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87. 6 29 + 3 24 88. 3 225 + 2 281 89. 4 249 - 0 , 2100
24 + 4 2 29 + 9 2
Copyright 2012 Pearson Education, Inc.
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90. 7 236 - 0 , 264 91. 2 92. 2
5120 - 162 - 3 - 5 3110 - 62 - 2 - 1
93. 281 , 29 + 4 2 # 2 - 10 94. 2100 , 24 + 3 3 # 2 - 20