The following links will allow you to download answer keys to all of the "try it yourself" exercises from the sample problems, all of the end-of-section problems, and the odd-numbered problems at the end of each chapter. These files are in PDF format.
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Note: for chapters 1 through 12, most of the problems in the 3rd and 4th editions are the same. The 4th edition answer keys for several of these chapters are more detailed than the 3rd edition keys, so you may wish to check both versions if you are using the 3rd edition of the book.Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Note: answers to earlier versions of the textbook are not available.
Problem correlation table: this list matches every problem from the 3rd edition with the corresponding problem from the rth edition (if there is one). If you are using the 3rd edition and your instructor assigns problems from the 4th edition, this list will help you to do the correct problems.