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Significant Figures - Purdue University
Significant Digits in Experimental Results Average ± Standard Deviation When you make a measurement in lab, your measurement should include all of the digits you are certain of, plus one final digit which is an estimate. For example, when reading a measuring cup where the water level is between
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[PDF File]Significant Figures - Cabrillo College
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Rules for Significant Figures (sig figs, s.f.) A. Read from the left and start counting sig figs when you encounter the first non-zero digit 1. All non zero numbers are significant (meaning they count as sig figs) 613 has three sig figs 123456 has six sig figs 2. Zeros located between non …
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Significant figures - Wikipedia
HOW TO DO IT SIGNIFICANT FIGURES When scientists write down a measured or calculated value, they always understand that the value they write has an implied precision, as follows: 15. means ± .5 (closer to 15. than to 16. or to 14. ) 15.0 means ± .05 (closer to 15.0 than to 15.1 or to 14.9 )
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[PDF File]Coping with Significant Figures
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three significant figures, therefore the pH is reported to three places after the decimal point. So pH = 5.903 is reported. (The whole number to the left of the decimal point reports the order of magnitude in powers of ten). 2. pKsp = - log Ksp = - log (2 x 10-30) = 29.7 (note: there is only one significant figure …
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[PDF File]Significant Figures in Calculations Rules
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Significant Figures The number of significant figures is the number of digits whose values are known with certainty. The numerical values of the experimental results must be written according to specific rules. The number of significant figures that should be used in stating a result is inseparably
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[PDF File]Rules for Significant Figures (sig figs, s.f.)
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Although the maximum number of significant figures for the slope is 4 for this data set, in this case it is further limited by the standard deviation. Since the standard deviation can only have one significant figure (unless the first digit is a 1), the standard deviation for the slope in this case is 0.005. Since
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[PDF File]Rules for Reporting Significant Figures
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Rules for Significant Figures (sig figs, s.f.) A. Read from the left and start counting sig figs when you encounter the first non-zero digit 1. All non zero numbers are significant (meaning they count as sig figs) 613 has three sig figs 123456 has six sig figs 2.
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[PDF File]Rules for Significant Figures (sig figs, s.f.)
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Significant Figures with Mixed Operations When doing a calculation that involves only multiplication and/or division, you can do the entire calculation then round the answer to the correct number of significant figures at the end.
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[PDF File]SIGNIFICANT FIGURES
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“1.230 × 103” has more significant figures than does “1.23 × 103”. 2.3 Counting Significant Figures Digesting the rules above is the hard part. Once you've done that, counting the number of significant figures is easy. All you do is leave out anything that does not count according to the rules above and count all the remaining numbers.
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[PDF File]HOW TO DO IT SIGNIFICANT FIGURES - Bates College
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Rules for significant figures in our own measurements: If we are certain that a digit in a number is correct, then it is a significant figure. As we go from left to right in a number, the first digit we come to that has any uncertainty at all is the last significant figure that we report. This first uncertain digit has some value
what is a significant figure

How to do significant figure