# Sequences Can Start at *n* = 0 Exercises

### Example 1

For the sequence, find a formula for the general term and specify the appropriate starting value of *n*.

-1, 2, -4, 8, -16,...

### Example 2

For the sequence, find a formula for the general term and specify the appropriate starting value of *n*.

### Example 3

*n*.

### Example 4

*n*.

0, 3, 6, 9, 12,...

### Example 5

*n*.