Significant Figures And Rounding

15 Questions | Total Attempts: 399

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Significant Figures And Rounding

In mathematics, significant figures are numerical digits that carry and add up to its measurement resolution. Rounding off, on the other hand, is turning decimals and fractions into the closest whole number. Find out more below.


Questions and Answers
  • 1. 
    Tell how many significant figures are in:  31.0 cm
  • 2. 
    Tell how many significant figures are in:  .0058 cm
  • 3. 
    Tell how many significant figures are in:  14500 cm
  • 4. 
    Tell how many significant figures are in:  7108 cm
  • 5. 
    Tell how many significant figures are in:  14.600 cm
  • 6. 
    46.4 cm x 18.2 cm x 3.8 cm = ? cubic centimeters. (leave the units off, no comma)
  • 7. 
    .0034 cm x .056 cm = ? square centimeters.
  • 8. 
    14.0 g / 8.10 cm3 = ? g/cm3
  • 9. 
    5100 m x 12.33 m = ? square meters (no comma)
  • 10. 
    27.0 m / 3.568 s = ?  m/s
  • 11. 
    64.07 m - 1.3 m = ? m (this is different math!)
  • 12. 
    16.2 g - 9.20 g = ? g
  • 13. 
    93.1 kg - 85 kg = ? kg
  • 14. 
    .88 cm + 2.291 cm = ? cm
  • 15. 
    .81 g + 158 g = ? g
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