Significant Figures in Calculations

Significant Figures in Calculations
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  • Know how to round SigFigs!!
  • Do you understand how to use SigFigs in calculations?
  • I do, How can I help?
  • Test next class!!
  • What's the difference between adding/subtracting and multiplication/division?
  • Know how to round SigFigs!!
  • Here, I'll show you.
  • Test next class!!
  • In addition/subtraction, the answer should be rounded to the same number of decimal places as the LEAST number of decimal places in the problem.
  • Know how to round SigFigs!!
  • 12.52 349.0 + 8.24 _________________
  • 369.76
  • Answer: 369.8
  • --------369.8
  • ----Least # of decimal places
  • Test next class!!
  • I get it! Now what about multiplication/division?
  • Know how to round SigFigs!!
  • Test next class!!
  • In multiplication/division, the answer should be rounded to the same number of sigfigs as the LEAST number of sigfigs in the problem.
  • Know how to round SigFigs!!
  • (3 SF)
  • 7.55m x 0.34m = 2.567m²
  • Answer: 2.6m²
  • (2 SF)
  • Test next class!!
  • Know how to round SigFigs!!
  • Wow, thank you so much! I get it now! You're a lifesaver!!
  • No problem! I'm glad to help! Good luck on your test!
  • Test next class!!
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