Answer:
(going down rows starting on the left)
1. 3^12 2. 3^8 3. 3^2 4. 2^6 5. a^2 6. 2^8 7. a^7 8. 2^7 9. a^6 10. a^4 11. 3^4 12. 3^6 13. 2^5 14. 2^10 15. 3^7 16. a^5 17. 3^12 18.3^5 19. 2^9 20. a^10
Step-by-step explanation:
Simply add together the exponents
