0058 Rounding Significant Figures And Decimals

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0058 Rounding Significant Figures And Decimals - Quiz

Rounding of significant figures and decimals requires you to drop the values to the right when the next figure is 0, 1, 2, 3, or 4, and to ADD one (round up) when the next figures is 5, 6, 7, 8 or 9.

Significant figures are :
Any non-zero digit
Zeros between non-zero digits (2005 has four significant figures)
Trailing Zeros in decimals (1.450 is four significant digits).

Questions and Answers
  • 1. 

    Round off the number 4349408 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 2. 

    Round off the number 6986281 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 3. 

    Round off the number 3259757 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 4. 

    Round off the number 543472 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 5. 

    Round off the number 1604040 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 6. 

    Round off the number 8162997 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 7. 

    Round off the number 8538694 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 8. 

    Round off the number 9357204 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 9. 

    Round off the number 7398630 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 10. 

    Round off the number 4155118 to 1 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 11. 

    Round off the number 3279530 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 12. 

    Round off the number 6135355 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 13. 

    Round off the number 6377066 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 14. 

    Round off the number 4875061 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 15. 

    Round off the number 864721 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 16. 

    Round off the number 571202 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 17. 

    Round off the number 9055696 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 18. 

    Round off the number 1377994 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 19. 

    Round off the number 5927875 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 20. 

    Round off the number 1861884 to 2 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 21. 

    Round off the number 8028217 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 22. 

    Round off the number 947360 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 23. 

    Round off the number 3495805 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 24. 

    Round off the number 6422744 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 25. 

    Round off the number 7999071 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 26. 

    Round off the number 2221618 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 27. 

    Round off the number 9076146 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 28. 

    Round off the number 2104206 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 29. 

    Round off the number 4566770 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 30. 

    Round off the number 7302961 to 3 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 31. 

    Round off the number 8579888 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 32. 

    Round off the number 6178099 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 33. 

    Round off the number 4721070 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 34. 

    Round off the number 643944 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 35. 

    Round off the number 9476778 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 36. 

    Round off the number 1029968 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 37. 

    Round off the number 6611257 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 38. 

    Round off the number 9348897 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 39. 

    Round off the number 4962385 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 40. 

    Round off the number 2152832 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 41. 

    Round off the number 9319875 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 42. 

    Round off the number 5835358 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 43. 

    Round off the number 3842260 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 44. 

    Round off the number 3210177 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 45. 

    Round off the number 681107 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 46. 

    Round off the number 9707444 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 47. 

    Round off the number 9182144 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 48. 

    Round off the number 4555756 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 49. 

    Round off the number 4621722 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

  • 50. 

    Round off the number 4271476 to 4 significant figure.

    Explanation
    Remember : 0-4 rounds down, 5-9 rounds up

    Rate this question:

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 22, 2016
    Quiz Created by
    Anthony Nunan

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