64. ,,,
65. 3.875, , ,
66. 1.375, , ,
Place an ,,or an symbol in the box to make a true
statement.See Example 8.- 0.895 68. 0.381
71. 72. 4.4
Write the numbers in order from smallest to largest.
See Example 9.- , 6.25,
76. , 7.08,
77. ,,
78. ,,
Evaluate each expression. Work in terms of fractions.
See Example 10.Estimate the value of each expression. Work in terms
of decimals.See Example 11.
- 0.02
5
6
0.24
1
3
2
5
(0.02)(0.04)
1
4
(0.25)
15
16
(0.9)a1
27
b5
11
(0.3)
0.99
5
6
0.9
7
12
2
3
0.1
1
9
0.3
0.1
1
11
0.19
6
7
8
9
0.81
43
6
7
3
8
19
3
6
1
2
1
11
0.48 0.09
11
20
22
5
2.08
52
25
7
16
0.45
17
22
0.7
3
8
7
8
− 5 − 4 − 3 − 2 −10 12 34 54 17 0.1 2.7
− 5 − 4 − 3 − 2 −10 12 34 53.5 0.2 (^1 45)
− 5 − 4 − 3 − 2 −10 12 34 5
2 78 2.375 0.3 4.16
Evaluate each expression. Work in terms of decimals.
See Example 12.95.96.97.98.99.100.101.102.APPLICATIONS
- DRAFTING The architect’s scale shown below
has several measuring edges. The edge marked
16 divides each inch into 16 equal parts. Find the
decimal form for each fractional part of 1 inch that
is highlighted with a red arrow.
(0.8)a1
4
ba1
5
b(0.39)3
8
(3.2)a 41
2
ba1
4
b8.1a3
4
b2
(0.12)7.5(0.78)a1
2
b2(2.35)a2
5
b2a1
5
b2
(1.7)a5
8
ba5.3 39
10
b(3.56.7)a1
4
b7
30
0.84
1
15
0.55
0.27
5
12
0.43
1
12
3.19
2
3
5.69
5
12
384 Chapter 4 Decimals
16
0 1- MILEAGE SIGNS The freeway sign shown below
gives the number of miles to the next three exits.
Convert the mileages to decimal notation.
Barranca Ave. miAda St.(^3) –
4
mi
(^1) –
(^32)
210 Freeway mi
(^1) –
(^24)