Page 459 - Basic College Mathematics with Early Integers

Answers
Cumulative Review Chapters 1–5
1. a.
1. Subtract. Check each answer by adding. 2. Multiply
#
b. a. 12 - 9 a. 20 0
#
b. 22 - 7 b. 20 1
c. c. 35 - 35 c. 0 20
#
#
d. 70 - 0 d. 1 20
d.
2. a. b. 3. Round 248,982 to the nearest hundred. 4. Round 248,982 to the nearest thousand.

c. d.
5. Multiply: 6. Divide: 10,468 , 28
3. a. 25 b. 246
* 8 * 5
4.

5. a.
7. The director of a learning lab at a local 8. A study is being conducted for erecting
community college is working on next soundproof walls along the interstate
b.
year’s budget.Thirty-three new DVD of a metropolitan area.The following
players are needed at a cost of $187 feet of walls are part of the proposal.
6.
each.What is the total cost of these Find their total: 4800 feet, 3270 feet,
DVD players? 2761 feet, 5760 feet.
7.

8.
9. Write the prime factorization of 80. 10. Find 264.
9.
12 2 #
10. 11. Write in simplest form. 12. Find 9 29.
20
11.

12. Multiply.
1 1 3 5
13. 13. - # 14. 3 # 4
4 2 8 9
14.
6 26 2 5 22
15. 15. a- ba- b 16. # #
13 30 11 8 27
16.

17. Perform the indicated operation and simplify.

18. 2 3 26 7
17. + 18. -
7 7 30 30
19.

20. 7 6 3 7 3 4
19. + + 20. - +
8 8 8 10 10 10
21. Copyright 2012 Pearson Education, Inc.

3
22. 21. Find the LCD of and 5 . 22. Add: 17 + 3
7 14 25 10

436