Submit one Excel spreadsheet per week, on one tab (no multiple tabs). Number each problem and leave a color highlighted space in between each problem. Chapter 4 Practice Exercises: PE 4-4 (p. 160) PE 4-5 (p. 160) PE 4-10 (p. 161) PE 4-13 (p. 161) Chapter 4 Exercises: E 4-31 (p. 166) E 4-41 (p. 168) Chapter 6 Practice Exercises: PE 6-4 (p. 246) PE 6-5 (p. 246) PE 6-6 (p. 246) PE 6-7 (p. 246) PE 6-18 (p. 248) Chapter 6 Exercises: E 6-25 (p. 250) E 6-31 (p. 251)