c. 10, 5, ___, ___, 0.625 d. ___, ___, 36, -108, ___ e. ___, 12, 18, 27, ___ Solution a. 1, 125. b. 6, -1296. c. 2.5, 1.25. d. 4, -12, 324. e. 8, 40.5. Unit 1 Lesson 2 Practice Problems 29