Determine the rule and give the next term in each of the following sequences.

1. 3, 12, 21, 30, 39, 48, …

2. 6, 12, 24, 48, 96, 192, …

3. 5, 10, 20, 35, 55, 80, …

4. 24, 12, 6, 3, 3

2

, …5. 4, 8, 24, 96, 480, …

6. 7, 16, 27, 40, 55, …

7. 4, 9, 16, 25, 36, 49, …

8. 1, 8, 27, 64, 125, 216, 343, …

9. 3, 6, 12, 21, 33, 48, …

10. 10, 100, 1,000, 10,000, …​