Exam (elaborations)
Solution Manual for Basic College Mathematics with Early Integers 3rd Edition by Elayn Martin-Gay
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Solution Manual for Basic College Mathematics with Early Integers 3rd Edition by Elayn Martin-Gay
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ContentsChapter 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 2 . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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Chapter 3 . . . . . . . . . . . . . . . . . . . . . . . . . 35
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Chapter 4 . . . . . . . . . . . . . . . . . . . . . . . . . 55
SE
Chapter 5 . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Chapter 6 . . . . . . . . . . . . . . . . . . . . . . . . . 107
Chapter 7 . . . . . . . . . . . . . . . . . . . . . . . . . 127
Chapter 8
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. . . . . . . . . . . . . . . . . . . . . . . . . 153
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Chapter 9 . . . . . . . . . . . . . . . . . . . . . . . . . 167
Chapter 10 . . . . . . . . . . . . . . . . . . . . . . . . . 189
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Chapter 11 . . . . . . . . . . . . . . . . . . . . . . . . . 209
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O
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ED
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,Chapter 1
Whole Numbers
46. 2,793,000,000
Exercise Set 1.1 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
RC2. In 615,702, the number 615 is in the thousands period. three periods.
RC4. The number 721 is written in standard notation.
R
Exercise Set 1.2
2. 5 ten thousands
U
4. 5 hundred thousands RC2. In the addition 5 + 2 = 7, the number 7 is the sum.
6. 8 RC4. The distance around an object is its perimeter.
SE
8. 1 2. 1521
+ 348
10. 1 thousand + 7 hundreds + 7 tens + 6 ones
1869
12. 1 thousand + 0 hundreds + 8 tens + 1 one, or 1 thousand + 1
8 tens + 1 one 4. 73
14. 3 thousands + 0 hundreds + 9 tens + 7 ones, or 3 thou-
sands + 9 tens + 7 ones
IS +69
1 42
1
O
16. 3 ten thousands + 8 thousands + 4 hundreds + 5 tens + 6. 7 503
3 ones + 2 683
1 0, 1 8 6
N
18. 1 billion + 2 hundred millions + 0 ten millions + 5 millions 1 1
+ 0 hundred thousands + 7 ten thousands + 3 thousands 8. 999
+ 6 hundreds + 1 ten + 2 ones, or 1 billion + 2 hundred + 11
N
millions + 5 millions + 7 ten thousands + 3 thousands + 1 010
6 hundreds + 1 ten + 2 ones 1
10. 271
O
20. 3 hundred millions + 1 ten million + 3 millions + 8 hun-
dred thousands + 4 ten thousands + 7 thousands + 4 +3338
hundreds + 6 tens + 5 ones 3609
C
1
22. Forty-eight 12. 280
+ 3 4, 9 0 2
24. Forty-five thousand, nine hundred eighty-seven 3 5, 1 8 2
ED
26. One hundred eleven thousand, thirteen 1 1 1
14. 1 0, 1 2 0
28. Forty-three billion, five hundred fifty million, six hundred 1 2, 9 8 9
fifty-one thousand, eight hundred eight + 5 7 3 8
2 8, 8 4 7
M
30. Ninety-one thousand, two hundred forty-five
1
32. Eighty-nine million, three hundred thirty-one thousand, 16. 3654
six hundred twenty-two +2700
6354
34. 354,702
1 1 1
36. 17,112 18. 4 5, 8 7 9
+ 2 1, 7 8 6
38. 19,610,439 6 7, 6 6 5
1 1 1 1
40. 700,000,000 20. 9 9, 9 9 9
42. 26,000,000,000 + 112
1 0 0, 1 1 1
44. 200,017
Copyright
c 2015 Pearson Education, Inc.
,2 Chapter 1: Whole Numbers
2
22. 3 8
2 7 Exercise Set 1.3
3 2
1 4
+7 6 RC2. subtraction symbol
1 8 7 RC4. difference
1 1 1 1 87
2.
24. 4 2, 4 8 7 −34
8 3, 1 4 1 53
+3 6, 7 1 2
1 6 2, 3 4 0 4. 526
−323
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2 2 203
26. 9 8 9
5 6 6
U
8 3 4 6 13
9 2 0 6. 7 3
/ /
+7 0 3 −2 8
SE
4 0 1 2 4 5
28. Perimeter = 14 mi + 13 mi + 8 mi + 10 mi + 47 mi +
22 mi 5 14
8. 6 4
/ /
We carry out the addition. −1 9
2
14
13
IS 4 5
18
6 /
8 15
O
8 10. / /
7 9 5/
10 −3 9 8
47 3 9 7
+22
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1 14 10
2 /
0 16
The perimeter of the figure is 114 mi. 12. / /
3 1 6/
N
−2 4 7
30. Perimeter = 62 yd + 39 yd + 54 yd + 46 yd + 28 yd
6 9
We carry out the addition.
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17
2 7 /
7 17
6 2 14. / /
8 8 7/
3 9 −6 9 8
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5 4 1 8 9
4 6
+2 8
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3 12
2 2 9 16. 3/
4 2/
The perimeter of the figure is 229 yd. −21 7
12 5
32. 90 ft + 90 ft + 90 ft + 90 ft = Perimeter
13 12
We carry out the addition. 5 /
11
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9 0 18. / /
6 4 3/ 1
/
9 0 −2 8 9 6
9 0 3 5 3 5
+9 0 12 15
3 6 0 7 /
14
20. / /
8 3 6/ 4
/
The batter travels 360 ft when a home run is hit.
−5 3 7 5
34. Nine billion, three hundred forty-six million, three hundred 2 9 8 9
ninety-nine thousand, four hundred sixty-eight
11 13
8 /
11
22. / /
9 2 4/ 1
/
−5 6 4 3
3 5 9 8
Copyright
c 2015 Pearson Education, Inc.
, Exercise Set 1.4 3
6 15
7/ /5 8 3
3✭0, ✭
✭/
2 9 9 9 14
24. −3 6 41 48. ✭ 0 0 4
3 9 42 − 6 7 4 9
2 3, 2 5 5
11 11
5 1 /
/ 1 12 50. 9 01
26. 1 /6, /2 2/ /2 +23
− 5, 8 8 8 9 24
1 0, 3 3 4
1
11 52. 9 909
2 /
1 11 8 14
28. 3/ /2, 1/ /9 4
/ + 1 011
− 2 9, 2 3 6 1 0, 9 2 0
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2 9 5 8 54. 9 thousands + 1 hundred + 0 tens + 3 ones, or 9 thousands
+ 1 hundred + 3 ones
8 10
56. 3, 928, 124 − 1, 098, 947
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30. /9 0/
−7 8 Using a calculator to carry out the subtraction, we find
1 2 that the difference is 2,829,177.
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7 9 13 Exercise Set 1.4
32. 8✥
✥ 0 3
−4 1 8
RC2. In the multiplication 4 × 3 = 12, 12 is the product.
3 8 5
IS
RC4. The product of 1 and any number a is a.
3 9 15
34. 9✥4✥0 /5
2
− 2 5 8 87
2.
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9 1 4 7 × 4
14 3 48
6 /
4 9 10
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5✥
5
36. /7 ✥ 0 /0 4. 76
−3 6 0 4 × 9
3 8 9 6
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6 84
4
6 9 13 6. 806
7✥
8 4, ✥ ×
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38. 0 3
/ 7
− 2 9 8 5 642
8 4, 4 0 5 3 2 2
C
8. 7 867
14
4 10 0 17
× 4
/
40. 1/ /5, 0/ /1 7/ 3 1, 4 6 8
ED
− 7 8 0 9
4
7 2 0 8
10. 78
7 9 9 13
× 60
✥
42. 8✥
✥ 0 0 /3 4 680
− 5 9 9
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2
7 4 0 4 2
12. 8 7
6 9 9 10
✥ ×
7, ✥
3 4
44. 1✥ 0 0 /0
−1 1, 5 9 8 3 4 8
5 4 0 2 2 6 1 0
2 9 5 8
4✭
3
0, ✭
✭
9 9 9 16
14. 2 340
46. ✭ 0 0 /6
× 1 000
− 1 4 7
3 9, 8 5 9 2, 3 4 0, 0 0 0
16. 8 00
× 7 00
5 6 0, 0 0 0
Copyright
c 2015 Pearson Education, Inc.
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