Page 368 - Basic College Mathematics with Early Integers

CHAPTER 4 REVIEW 345

23.65 -93
51. 0.342.74 52. 19.8601.92 53. 54.
1000 10

55. There are approximately 3.28 feet in 1 meter. Find 56. George Strait pays $69.71 per month to pay back a
how many meters are in 24 feet to the nearest tenth loan of $3136.95. In how many months will the loan
of a meter. 1 meter be paid off?
3.28 feet

(4.5) Write each fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.

4 12 1 13
57. 58. - 59. 2 60.
5 13 3 60

Insert 6, 7, or = to make a true statement.

4 64. 0.293 5
61. 0.392 0.39200 62. -0.0231 -0.0221 63. 0.625
7 17

Write the numbers in order from smallest to largest.
5 3 18 19
65. 0.837, 0.839, 0.832 66. 0.685, 0.626, 67. , 0.42, 0.43 68. , 1.63,
8 7 11 12

Simplify each expression.

69. -7.6 * 1.9 + 2.5 70. (-2.3) - 1.4 71. 0.0726 , 10 * 1000
2

2
(1.5) + 0.5 5 + 2.74
72. 0.6(2 - 0.65) 73. 74.
0.05 -0.06

Find each area.

75. 76.
2.1 inches
3 feet
5.2 inches
4.6 feet

(4.6) Simplify.
4 1
77. 264 78. 2144 79. 80.
A25 A100

Find the unknown length of each given right triangle. If necessary, round to the nearest tenth.

81. leg = 12, leg = 5 82. leg = 20, leg = 21