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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