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phy131studiof15:lectures:chapter1 [2015/08/24 08:51]
mdawber [Visual comparison of different types of eror]
phy131studiof15:lectures:chapter1 [2015/08/24 09:19]
mdawber [Scientific Notation]
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 Examples: Examples:
  
-$0.000056$ m = $5.6 \times 10^{-5}$ m or $5.6 \times 10^{-2}$ mm.+$0.000056$m = $5.6 \times 10^{-5}$m or $5.6 \times 10^{-2}$mm.
  
  
-$795,000$ g = $7.95 \times 10^{5}$ g or $7.95 \times 10^{2}$ kg or $795$ kg.+$795,000$g = $7.95 \times 10^{5}$g or $7.95 \times 10^{2}$kg or $795$kg.
  
 In general it is not correct to give more significant figures for a number than the precision to which you know it. However you should not round off numbers too early in a calculation,​ as this can affect the accuracy of the final answer. In general it is not correct to give more significant figures for a number than the precision to which you know it. However you should not round off numbers too early in a calculation,​ as this can affect the accuracy of the final answer.
phy131studiof15/lectures/chapter1.txt ยท Last modified: 2015/08/24 09:19 by mdawber
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