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Rounding Numbers: Techniques for Significant Figures and Decimal Places

This resource provides comprehensive guidelines for rounding a variety of numbers to the nearest whole number, ten, hundred, and thousand. It covers rounding to one and two decimal places, as well as to significant figures. Examples included in the document illustrate how to effectively round different numerical values, ensuring clarity and precision in mathematical calculations. Perfect for students, educators, and anyone needing a refresher on rounding techniques.

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Rounding Numbers: Techniques for Significant Figures and Decimal Places

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  1. 70 67 To the nearest 10 60 70

  2. 120 123 To the nearest 10 120 130

  3. 1000 1090 To the nearest 1000 1000 2000

  4. 5 4.7 To the nearest whole number 4 5

  5. 1 1.03 To the nearest whole number 1 2

  6. 4 3.6 To the nearest whole number 3 4

  7. 1.2 1.24 To one decimal place 1.2 1.3

  8. 1.6 1.59 To one decimal place 1.5 1.6

  9. 1.76 1.763 To 2 decimal places 1.76 1.77

  10. 1.9 1.8754 To one decimal place 1.8 1.9

  11. 0 0.1 To the nearest whole number 0 1

  12. 0 40 To the nearest 1000 0 1000

  13. Significant Figures 67 to 1 sig fig To the nearest 10 258 to 1 sig fig To the nearest 100 258 to 2 sig figs To the nearest 10 3.8 to 1 sig fig To the nearest whole number

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