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SOLUTIONS MANUAL
ALGEBRA FOUNDATIONS
BASIC MATHEMATICS,
INTRODUCTORY ALGEBRA,
AND INTERMEDIATE ALGEBRA
Marvin Bittinger Judith Beecher Barbara Johnson 1 / 4
Contents Chapter 1...........................1 Chapter 2.......................... 25 Chapter 3......................... 43 Chapter 4......................... 67 Chapter 5.......................... 87 Chapter 6.........................105 Chapter 7.........................127 Chapter 8.........................137 Chapter 9.........................155 Chapter 10.........................171 Chapter 11.........................187 Chapter 12.........................213 Chapter 13.........................235 Chapter 14.........................257 Chapter 15.........................283 Chapter 16.........................319 Chapter 17.........................345 Chapter 18.........................375 Chapter 19.........................399 Chapter 20.........................421 Chapter 21.........................461 2 / 4
Chapter 1 Whole Numbers Exercise Set 1.1 RC2.In 615,702, the number 615 is in the thousands period.RC4.The number 721 is written in standardnotation.
2.5 ten thousands 4.5 hundred thousands 6.8 8.1 10.1 thousand + 7 hundreds + 7 tens + 6 ones 12.1 thousand + 0 hundreds + 8 tens + 1 one, or 1 thousand +
- tens + 1 one
- ones
- 0 hundred thousands + 7 ten thousands + 3 thousands
- 6 hundreds + 1 ten + 2 ones, or 1 billion + 2 hundred
- hundreds + 1 ten + 2 ones
14.3 thousands + 0 hundreds + 9 tens + 7 ones, or 3 thou- sands + 9 tens + 7 ones 16.3 ten thousands + 8 thousands + 4hundreds + 5 tens +
18.1 billion + 2 hundred millions + 0 ten millions + 5 millions
millions + 5 millions + 7 ten thousands + 3 thousands +
20.3 hundred millions + 1 ten million + 3 millions + 8 hun- dred thousands + 4ten thousands + 7 thousands + 4 hundreds + 6 tens + 5 ones 22.Forty-eight 24.Forty-five thousand, nine hundred eighty-seven 26.One hundred eleven thousand, thirteen 28.Forty-three billion, five hundred fifty million, six hundred fifty-one thousand, eight hundred eight 30.Ninety-one thousand, two hundred forty-five 32.Eighty-nine million, three hundred thirty-one thousand, six hundred twenty-two
34.354,702
36.17,112
38.19,610,439
40.700,000,000
42.26,000,000,000
44.200,017
46.2,793,000,000
48.All digits are 9’s. Answers may vary. For an 8-digit read- out, for example, it would be 99,999,999. This number has three periods.Exercise Set 1.2 RC2.In the addition 5 + 2 = 7, the number 7 is the sum.RC4.The distance around an object is its perimeter.
2. 1521
+348 1869 4.1 73 +69 142 6.1 7503 +2683
10,186
8.11 999 +11
- 010
10.1 271 +3338 3609 12.1 280
+34,902
35,182
14.111
10,120
12,989
+5738
28,847
16.1 3654 +2700 6354 18.111
45,879
+21,786
67,665
20.1111
99,999
+112
100,111
Copyrightc 2015 Pearson Education, Inc. 3 / 4
2Chapter 1: Whole Numbers
22.2 38 27 32 14 +76 187 24.1111
42,487
83,141
+36,712
162,340
26.22
989566834920
+703 4012 28.Perimeter = 14mi + 13 mi + 8 mi + 10 mi + 47 mi +22 mi We carry out the addition.2 14 13 8 10 47
+22114
The perimeter of the figure is 114mi.
30.Perimeter = 62 yd + 39 yd + 54yd + 46 yd + 28 yd We carry out the addition.2 62 39 54 46 +28 229 The perimeter of the figure is 229 yd.
32.90 ft + 90 ft + 90 ft + 90 ft = Perimeter We carry out the addition.90 90 90 +90 360 The batter travels 360 ft when a home run is hit.
34.Nine billion, three hundred forty-six million, three hundredninety-nine thousand, four hundred sixty-eight Exercise Set 1.3 RC2.subtraction symbol RC4.difference
- 87
−34 53
4. 526
−323
203 6.613 7/3/ −28 45 8.514 6/4/ −19 45 10.18 68/15
7/9/5/
−39 8
39 7 12.10 20/16
3/1/6/
−247
69 14.17 77/17
8/8/7/
−69 8
18 9 16.312 34/2/
−21 7
12 5 18.13 12
53/2/11
6/4/3/1/
−28 9 6
35 3 5
20.12 15
72/5/14
8/3/6/4/
−53 7 5
29 8 9
22.11 13
81/3/11
9/2/4/1/
−56 43
35 9 8
Copyrightc 2015 Pearson Education, Inc.
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