RECAPPING INDEX LAWS RECAPPING INDEX LAWS Law 1 am an = a m+n Law 2 am an = a m - n Law 3 a 0=1 Law 4 ( am )n = a m n Law 5 (ab) m = a m b m Law 6 1. 27 23 = 2. a5 a3 a2 = 3. 43 42 45= 4. 47 43 = 5. a10 a3 = 6. b15 b10= 7. 80 = 8. 1280 = 9. x11 x11 = 10. (63)4 = 11. (102 ) 6 = 12. (5 –2) –4 = 13. (xy) 3 = 14. (a2b3)5 = 15. (4x3y5)2 = x 16. ( ) 3 = y 17. ( 19. (6.123 ) 0 = 20. x17 x 10 22. (a2b3) 3 = m 5 ) = n 23. ( c 4 ) = d 18. ( = a 3 5 ) = b 4 2 21. ( ) 0 = 3 24. 5 6 52 =