SIGNIFICANT DIGITS EXERCISES
SIGNIFICANT DIGITS & SCIENTIFIC NOTATION EXERCISES
Do the following problems on separate paper, using homework guidelines.
Determine how many significant figures occur in each of the following numbers:
1. 926.9
2. 707
3. 123.06
4. 0.0402
5. 0.82610
6. 338.00
Perform the noted operations. Correct answers must contain the required number of significant figures.
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Round the following numbers to three significant figures.
15. 0.6824
16. 12.84
17. 4.162
18. 3.339
19. 5.558
20. 2.635
21. 7.825
Express the following numbers in scientific notation.
22. 9365.3
23. 712.0
24. 2000.0
25. 0.2541
26. 0.000822
27. 0.00000477
(over)
Simplify the following. Answers must be given in scientific notation if not between 1 and 10.
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Practice Problems: Significant Digits & Scientific Notation
Answers
1. 926.9 has 4 Significant Figures (SF)
2. 707 has 3 SF
3. 123.06 has 5 SF
4. 0.0402 has 3 SF
5. 0.82610 has 5 SF
6. 338.00 has 5 SF
7. 358.9
8. 97.5
9. 94.74
10. 0.027
11. 524
12. 4.043
13. 3.9
14. 4.1
15. 0.682
16. 12.8
17. 4.16
18. 3.34
19. 5.56
20. 2.64
21. 7.83
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