Exam (elaborations)
SOLUTION MANUAL FOR C TRIMBLE AND ASSOCIATES PREAL GEBRA 9TH EDITION BY ELAYNE MARTIN GAY
SOLUTION MANUAL FOR C TRIMBLE AND ASSOCIATES PREAL GEBRA 9TH EDITION BY ELAYNE MARTIN GAY
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SOLUTIONSMANUAL lCTRIMBLE &ASSOCIATES
L L L
PREALGEBRA
NINTH EDITION
L
ElaynMartin-Gay
l
, Contents
Chapter 1
l 1
Chapter 2
l 42
Chapter 3
l 71
Chapter 4
l 101
Chapter 5
l 164
Chapter 6
l 209
Chapter 7
l 246
Chapter 8
l 284
Chapter 9
l 330
Chapter 10
l 370
Appendices 389
Practice Final Exam
l l 392
, Chapter 1
l
Section 1.2 Practice Exercises
l l l 5. In a whole number, each group of 3 digits is
l l l l l l l l l
called a period.
l l l
1. The place value of the 8 in 38,760,005 is
l l l l l l l l
millions.
l 6. The place value of the digit 4 in the whole
l l l l l l l l l
number 264 is ones.
l l l l
2. The place value of the 8 in 67,890 is hundreds.
l l l l l l l l l
7. hundreds
3. The place value of the 8 in 481,922 is ten-
l l l l l l l l l
thousands.
l 8. To read (or write) a number, read from left to
l l l l l l l l l
right.
l
4. 54 is written as fifty-four.
l l l l
9. 80,000
5. 678 is written as six hundred seventy-eight.
l l l l l l
10. Dachsund
6. 93,205 is written as ninety-three thousand, two l l l l l l
hundred five.
l l Exercise Set 1.2 l l
7. 679,430,105 is written as six hundred seventy- l l l l l l 2. The place value of the 5 in 905 is ones.
l l l l l l l l l l
nine million, four hundred thirty thousand, one
l l l l l l l
hundred five.
l l 4. The place value of the 5 in 6527 is hundreds.
l l l l l l l l l l
8. Thirty-seven in standard form is 37. l l l l l 6. The place value of the 5 in 79,050,000 is ten-
l l l l l l l l l l
thousands.
l
9. Two hundred twelve in standard form is 212.
l l l l l l l
8. The place value of the 5 in 51,682,700 is ten-
l l l l l l l l l l
10. Eight thousand, two hundred seventy-four in
l l l l l millions.
l
standard form is 8,274 or 8274.
l l l l l l
10. 316 is written as three hundred sixteen.
l l l l l l l
11. Five million, fifty-seven thousand, twenty-six in
l l l l l
standard form is 5,057,026.
l l l l 12. 5445 is written as five thousand, four hundred
l l l l l l l l
forty-five.
l
12. 4,026,301
= 4,000,000 + 20,000 + 6000 + 300 + 1
l l l l l l l l l 14. 42,009 is written as forty-two thousand, nine.
l l l l l l l
13. a. l Find Australia in the “Country” column.
l l l l l 16. 3,204,000 is written as three million, two
l l l l l l l
Read from left to right until the “bronze”
l l l l l l l l hundred four thousand.
l l l
column is reached. Australia won
l l l l l
22 bronze medals. l l
18. 47,033,107 is written as forty-seven million,
l l l l l l
thirty-three thousand, one hundred seven.
l l l l l
b. Find the countries for which the entry in the
l l l l l l l l
“Total” column is greater than 60. The
l l l l l l l
20. 254 is written as two hundred fifty-four.
l l l l l l l
United States, China, ROC, and Great
l l l l l l
Britain won more than 60 medals.
l l l l l l
22. 105,447 is written as one hundred five thousand,
l l l l l l l l
four hundred forty-seven.
l l l
Vocabulary, Readiness & Video Check 1.2 l l l l l
24. 1,110,000,000 is written as one billion, one
l l l l l l l
1. The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
l l l l l l l l l l l l l l
hundred ten million.
l l l
... are called whole numbers.
l l l l
26. 11,239 is written as eleven thousand, two
l l l l l l l
2. The number 1286 is written in standard form.
l l l l l l l
hundred thirty-nine.
l l
3. The number “twenty-one” is written in words.
l l l l l l
28. 202,700 is written as two hundred two thousand,
l l l l l l l l
seven hundred.
l l
4. The number 900 + 60 + 5 is written in expanded
l l l l l l l l l l
form.
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30. Four thousand, four hundred sixty-eight in standard
l l l l l l l
form is 4468.
l l l
, Chapter 1: The Whole Numbers
l l l l ISM: Prealgebra l
32. Seventy-three thousand, two in standard form is
l l l l l l l 74. answers may vary
l l l
73,002.
l
76. A quadrillion in standard form is 1,000,000,000,000,000.
l l l l l l l
34. Sixteen million, four hundred five thousand,
l l l l l l
sixteen in standard form is 16,405,016.
l l l l l l Section 1.3 Practice Exercises
l l l
36. Two million, twelve in standard form is 2,000,012.
l l l l l l l l 1. 4135
+ 252l
38. Six hundred forty thousand, eight hundred
l l l l l l
4387
eighty-one in standard form is 640,881.
l l l l l l
1 1 11
l l l
40. Two hundred thirty-four thousand in standard
l l l l l l
2. 47,364 l
form is 234,000.
+ 135,898
l l l
l
42. One thousand, eight hundred fifteen in standard
l l l l l l l 183,262 l
form is 1815.
l l l
3. Notice 12 + 8 = 20 and 4 + 6 = 10.
l l l l l l l l l l l l
44. Two hundred sixty million, one hundred thirty-
l l l l l l l
12 + 4 + 8 + 6 + 5 = 20 + 10 + 5 = 35
l l l l l l l l l l l l l l l l
eight thousand, five hundred sixty-nine dollars in
l l l l l l l
standard form is $260,138,569.
l l l l 12 2 l
4. 6432
46. Seven hundred fifteen in standard form is 715.
l l l l l l l l
789
48. 789 = 700 + 80 + 9
l l l l l l l
54
+ 28
50. 6040 = 6000 + 40
l l l l l
7303
52. 20,215 = 20,000 + 200 + 10 + 5
l l l l l l l l l
5. a. 14 − 6 = 8 because 8 + 6 = 14.
l l l l l l l l l l
54. 99,032 = 90,000 + 9000 + 30 + 2
l l l l l l l l l
b. 20 − 8 = 12 because 12 + 8 = 20
l l l l l l l l l l
56. 47,703,029 = 40,000,000 + 7,000,000 + 700,000
93 − 93 = 0 because 0 + 93 = 93.
l l l l l l l
+ 3000 + 20 + 9 l l l l l
c. l l l l l l l l l l
58. Mount Baker erupted in 1792, which is in
l l l l l l l l
d. 42 − 0 = 42 because 42 + 0 = 42.
l l l l l l l l l l
standard form. l
6. a. 9143 Check: l 9021
60. Mount Shasta and Mount St. Helens have each
l l l l l l l l
− 122 l + 122 l
had two eruptions listed.
l l l l 9021 9143
62. Mount St. Helens has an eruption listed in 1980.
l l l l l l l l l
b. 978 Check: 127
All other eruptions listed in the table occurred
l l l l l l l l
− 851 l + 851 l
before this one.
l l l
127 978
64. More Golden retrievers are registered than
l l l l l l
German shepherds.
l l
8 17 l
7. a. 69 7 l Check: 648 l l
66. French bulldogs are second in popularity. 24 is
l l l l l l l l − 49 l l l + 49 l
written as twenty-four.
l l l
64 8 l 697
68. The maximum height of an average-size standard
l l l l l l l
2 12 l
dachsund is 9 inches.
l l l l
b. 326 Check: 81
70. The largest number is 77,753.
l l l l l − 245 l + 245 l
81 326
72. Yes
l
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