ANSWERS 2.14
p.
228-234:
1.
4.5×102; 2. 7.5×103;
3. 1.2×107; 4. 7.2 × 1011;
5. 3.25×10-3; 6. 2.46×10-7;
7. 3.25×10-9;
8. 4.36×10-9;
9. 4.8×108; 10. 9.32×1010;
11. 8.76×10-5; 12. 1.22×10-5;
13. 6×1010;
14. 7.5×1015;
15. 3.2×103or 3200 16. 2.4×10-10;
17. 3×10-12;
18. 4×109; 19. 1.2×104;
20. 2 × 1010
21. 2.5×109;
22. 7.5×101 or 75; 23. 6×1010;
24. 7.5×1015; 25. 3.2×103or
3200
26. 2.4×10-10; 27. 3×10-12;
28. 4×109; 29. 1.2×104;
30. 2× 1010
31. 2.5×109;
32.7.5×101or
75; 33. 4.54×105;
34. 2.84×1011;
35. 4.88×1022;
36. 4.88×10-20;
37. 2.06×1016;
38. 7.78×10-23;
39. 8.89×1025;
40. 8.89×101
or 88.89; 41. 1.25×1015;
42. 2.5×10-9;
43. 1.67×103
or 1666.67; 44. 1.86×10-28;
45. 1.86×1028;
46. 1.86×10-12
.
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