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CP03 – Sig Figs

accuracy-precision

Date

  • Friday, January 12th

Class Business

  • Fall Semester Final Exam commentary
  • Questions about grades?

Activity Recap

  • Comments about measurement?
  • What was challenging about acvtivity?

New Idea – Terms

  • Precision
  • Accuracy
  • Error
  • Uncertainty
  • (you can LOOK IT UP!)

New Idea – Measurement & Significant Figures

  • all measurements contain uncertainty
  • all numbers are measurements
  • so how do we deal with this?
  • SIGNIFICANT FIGURES
  • all certain digits and one good guess
  • YES, all numbers contain a GUESS
  • Hint: scientific notation helps!

Examples

  • Chapter 2 Paired Exercises (5 – 12)

Homework

  • Finish textbook work
  • NOTE: pencil on paper, space work
  • SHOW: given info and some indication of process
  • DO NOT just write the answer

 

Information

This entry was posted on January 11, 2018 by in CP1718 and tagged .

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