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Practical Test - 3

Welcome to your SBC-3

1. 
0.056 × 2.1 (correct sig figs)

2. 
Which number shows uncertainty clearly?

3. 
0.004500 has:

4. 
12000 has how many significant figures (without decimal)?

5. 
1 Tetra (T) equals:

6. 
The last digit in any measured number is called the:

7. 
In 1.500, how many significant figures are present?

8. 
200.0 has how many significant figures?

9. 
In addition/subtraction, the answer should be rounded based on:

10. 
1 Giga (G) equals:

11. 
How many significant figures does 143.25 have?

12. 
1 joule equals:

13. 
Which shows maximum precision?

14. 
72.5 + 0.008 (correct sig figs)?

15. 
1 atto (a) is:

16. 
1 Exa (E) corresponds to:

17. 
Precision refers to:

18. 
Which has 4 significant figures?

19. 
1 atmosphere is equal to:

20. 
During rounding, if the digit after 5 is zero or absent, the preceding digit:

21. 
1 Barn equals:

22. 
1 eV equals:

23. 
A measurement is accurate when:

24. 
The energy hierarchy from highest to lowest is:

25. 
5.621 × 2.0 (correct sig figs)?

26. 
1.325 ± 0.001 shows how many significant figures in measurement?

27. 
In multiplication/division, the result must keep:

28. 
The SI prefix femto (f) equals:

29. 
1 yocto (y) equals:

30. 
1 Yotta (Y) corresponds to:

31. 
The prefix micro (µ) corresponds to:

32. 
Which operation uses decimal places rule?

33. 
What does uncertainty in measurement refer to?

34. 
1 Zetta (Z) is equal to:

35. 
Significant figures refer to:

36. 
The value of 1 nano (n) is:

37. 
How many significant figures does 0.00345 have?

38. 
1 litre (L) is equal to:

39. 
Which zeroes are always significant?

40. 
3.333 + 0.011 = ? (correct sig figs)

41. 
NaCl formed using isotopes Cl-35 & Cl-37. Law illustrated is:

42. 
1 calorie equals:

43. 
The prefix zepto (z) corresponds to:

44. 
5.478 rounded to 3 significant figures becomes:

45. 
In 6.90 × 10³, how many significant figures?