Profe Ivan HC 4. (0,00000728)x(5x1017) (3,5x1013)x(0,0005)(3,4×10-18) 5. (350000000)x(0,003) == (4500)x(720000000) 6. (0,00047)x(3x1018) = 7. (5x10-4)x(35000000) (370000000000)x(53000) = (8,5x10-7)x(3,96x105) 8. (0,0000837)x(5300000) = (3x10-9)x(0,0000000645) 9. 10. (1530000000000000000)x(7,2x10-14)x(0,000047) (8,3x1017)x(0,00000000000483)x(7x103) (2x10-5) (30000)x(400000) = 200000 (500000)x(7000000) 11. 10000000 (20000000) (60000) 12. 4000000 (90000) (10000) 13. = (3000) (200000) (38500000) (4×105) 14. = (7x10³)(10000) (0,000007) (4600000) 15. = (23x105)(2x10-2) (0,00000099)(0,00004) 16. (0,0033)(0,00001)(0,002) (450000000) (0,00009) 17. = (27,x10-4)(5000) 18. 19. (216000000)x(486x10-7)(0,00017) (36x10-4)(0,0000243) (4,08x10³) (3000000) (15x107) (220500000000) (0,0000105) (245x104) (9x107) + (24x10-2)(10000) LOLONL​