Evaluate each expression.See Example 6.
Evaluate each expression.See Example 7.
Evaluate each expression.See Example 8.
43.
44.
45.
46.
Evaluate each expression.See Example 9.
Find the mean (average) of each list of numbers.See
Example 10.
TRY IT YOURSELF
Evaluate each expression.
69.
70.
(4^3 2) 7
5(24) 7
(53)^2 2
42 (82)
2 3(0) 5(0) 8
161 8[6(6) 62 ] 22 (5)
190 2[10^2 (5 22 )] 45
150 2(2 6 4)^2760 2(2 3 4)^2
25 5 5 6 2 3
20 10 5 80 5 4
8 103 0 102 7 101 4
5 103 2 102 3 101 9
18 12
61 55
10 5
52 47
(74)^2 1 (95)^3 8
7 4 5 10 2 2
2 34 33 5
(86)^2 (43)^2 (21)^2 (32)^2
5, 8, 7, 0, 3, 1 9, 3, 4, 11, 14, 1
19, 15, 17, 13 11, 14, 12, 11
3, 5, 9, 1, 7, 5 8, 7, 7, 2, 4, 8
6, 9, 4, 3, 8 7, 1, 8, 2, 2
6(31) 26
4(2^3 )
25(8) 8
6(2^3 )
4(34) 1
5(3^2 )
2(50) 4
2(4^2 )
81 3[8^2 7(135)]
81 9[7^2 7(114)]
53 5[6^2 5(81)]
46 3[5^2 4(95)]
77 9(38 4 6) 162 7(47 6 7)
8 4(29 5 3) 33 6(56 9 6)
(35)^3 (52)^3
(46)^2 (34)^2
Write an expression to solve each problem and evaluate it.
- SHOPPING At the supermarket, Carlos is buying 3
cases of soda, 4 bags of tortilla chips, and 2 bottles of
salsa. Each case of soda costs $7, each bag of chips
costs $4, and each bottle of salsa costs $3. Find the
total cost of the snacks. - BANKING When a customer deposits cash, a
teller must complete a currency count on the back of
the deposit slip. In the illustration, a teller has
written the number of each type of bill to be
deposited. What is the total amount of cash being
deposited?
APPLICATIONS
15 5[12(2^2 4)]
80 2[12(54)]
4[50(3^3 52 )] 6[15(5 22 )]
2 a
12
3
3 a b3(5)
18
3
b2(2)
52 17
6 22
32 22
(32)^2
152
24
6
162 8(2)(3)
25
5
6(3)4
5(1)^3 (1)^2 2(1) 6
30(1)^2 4(2) 12
(1812)^3 52 (92)^2 33
25 (2 3 1)
2 9 8
(35)^2 2
2(85)
7 a 53
200
2
60 a 6 b
40
23
b
3 2 34 5 3 23 4 12
42 32 122 52
110 Chapter 1 Whole Numbers
Currency count, for financial use only
x 1's
x 2's
x 5's
x 10's
x 20's
x 50's
x 100's
TOTAL $
24
—
6
2
1
10
12
- DIVING The scores awarded to a diver by seven
judges as well as the degree of difficulty of his dive
are shown on the next page. Use the following
two-step process to calculate the diver’s overall
score.
Step 1Throw out the lowest score and the highest
score.