PROBLEMS ON UNIT DIGIT.

1. Find the unit digit of 2¹⁰

2. Find the unit digit of 3¹⁰

3. Find the unit digit of 4¹⁵

4. Find the unit digit of 223²³

5. Find the unit digit of 49⁴⁹

6. Find the unit digit of 482¹⁰⁰

7. Find the unit digit of 225²²⁵

8. Find the unit digit of 2326³⁹

9. Find the unit digit of 17⁷⁹

10. Find the unit digit of 355⁴⁵⁵

11. Find the unit digit of 2¹⁰ + 3¹⁰

12. Find the unit digit of 11¹¹ + 33⁴⁰

13. Find the unit digit of 572¹⁰ + 37¹⁰

14. Find the unit digit of 1029¹⁰⁰⁰ + 3000¹⁰²⁹

15. Find the unit digit of 567⁵⁶⁸ + 397⁴⁰⁹⁰⁰

16. Find the unit digit of 2¹⁰ x 3¹⁰

17. Find the unit digit of 11¹¹ x 33⁴⁰

18. Find the unit digit of 572¹⁰ x 37¹⁰

19. Find the unit digit of 1029¹⁰⁰⁰ x 3000¹⁰²⁹

20. Find the unit digit of 29 x 34 x 3456 x 5789 x 234567