### Home > A2C > Chapter 3 > Lesson 3.1.6 > Problem 3-82

3-82.

Determine whether each of the following sequences is arithmetic, geometric, or neither. Then find a rule for the sequence, if possible. Homework Help ✎

12.2, 13, 13.8, …

90, 81, 72.9, …

1, 1, 1, …

2, 4, 16, …

See problem 3-46 for examples and hints.

This could be either arithmetic or geometric. Why?

See part (a).

See part (a).