key for 3478phy

Key>>>
1.unit 2. standard 3. basic 4.derived 5. FPS 6.time
7.gram 8. length 9.m^210. British system 11. 5.068 × 〖10〗^3 12. derived

1. second 14.kilogram 15. largest 16. mass 17. MKS
2. time 19. balance 20. 〖10〗^(-3) 21.smallest
3. clock 23. 2 × 〖10〗^8 s 24. Mathematics 25. 3.17×〖10〗^7 26.〖10〗^41 27. 66
4. longer 29. 〖10〗^(-3) 30.natural