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DAILY QUESTION September 4, 2008

DAILY QUESTION September 4, 2008. In the game of horseshoes, a “ringer” is a great example of: precision, accuracy, or both? Why do you think this?. AGENDA 9/4/08. Daily Question Turn In Experiment Questions Newsletter Significant Figures Review Assignment: 1. Study for Quiz on 9/5

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DAILY QUESTION September 4, 2008

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  1. DAILY QUESTION September 4, 2008 • In the game of horseshoes, a “ringer” is a great example of: precision, accuracy, or both? • Why do you think this?

  2. AGENDA 9/4/08 • Daily Question • Turn In Experiment Questions • Newsletter • Significant Figures • Review Assignment: 1. Study for Quiz on 9/5 - Check out the website for a Review Game

  3. Section 3 Organizing Data Chapter 1 Using Significant Figures Precision and accuracy • Precision the exactness of a measurement • Accuracy a description of how close a measurement is to the true value of the quantity measured • Significant figure a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement

  4. Section 3 Organizing Data Chapter 1 Accuracy and Precision, part 1

  5. Section 3 Organizing Data Chapter 1 Accuracy and Precision, part 2

  6. Section 3 Organizing Data Chapter 1 Using Significant Figures, continued • When you use measurements in calculations, the answer is only as precise as the least precise measurement used in the calculation. • The measurement with the fewest significant figures determines the number of significant figures that can be used in the answer.

  7. Section 3 Organizing Data Chapter 1 Math Skills Significant Figures Calculate the volume of a room that is 3.125 m high, 4.25 m wide, and 5.75 m long. How many significant figures will the answer contain? The answer should have three significant figures, because the value with the smallest number of significant figures has three significant figures.

  8. How many significant figures are in 1.3? • How many in 5.321?

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