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[PDF File]Rules for Significant Figures
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Rules for logarithms . In logarithmic values, only those numbers to the right of the decimal place count as significant. For example, pH = 10.26 has only two significant figures and corresponds to a [H +] = 5.5 x 10-11 M . pKa = 4.730 has three significant figures and corresponds to Ka = 1.86 x 10-5----- …

[PDF File]Significant Figure Rules - Rice University
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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.

[PDF File]Rules for Significant Figures (sig figs, s.f.)
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A Short Guide to Signiﬁcant Figures What is a “signiﬁcant ﬁgure”? The number of signiﬁcant ﬁgures in a result is simply the number of ﬁgures that are known with some degree of reliability. The number 13.2 is said to have 3 signiﬁcant ﬁgures. The number 13.20 is said to have 4 signiﬁcant ﬁgures.

[PDF File]Rules for Reporting Significant Figures
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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

Significant Figure Rules - Chemistry
There are three rules on determining how many significant figures are in a number: 1. Non-zero digits are always significant. 2. Any zeros between two significant digits are significant. 3. A final zero or trailing zeros in the decimal portion ONLY are significant. Focus on these rules and learn them well. They will be used extensively ...

[PDF File]Significant Figure Rules for logs - Laney College
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Significant Figures in Calculations Rules When doing multiplication or division with measured values, the answer should have the same number of significant figures as the measured value with the least number of significant figures. •Procedure to determine significant figures after multiplication or division:

[PDF File]Significant Figures in Calculations Rules
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2. Zero digits that occur between nonzero digits are significant. 202 contains three significant figures ⎫ In these examples, the zeros 450.5 contains four significant figures ⎬ are part of a measurement. 390.002 contains six significant figures ⎭ 3. Zeros at the beginning of a number (i.e., on the left-hand side) are considered to be placeholders and

[PDF File]Significant Figures - Metropolitan Community College
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Rules for Using Significant Figures in Calculations 1. For multiplication or division , the number of significant figures in the result is the same as that in the measurement with the smallest number of significant figures. For example: 34.91 x 0.0053 = 0.185023 Rounds to 0.19

[PDF File]Significant Digits in Experimental Results
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Significant Figure Rules for Logarithms • Things to remember: significant figures include all certain digits and the first uncertain digit. There is always some uncertainty in the last digit. • Regular sig fig rules are guidelines, and they don’t always predict the correct number of significant figures.

[PDF File]A Short Guide to Signiﬁcant Figures
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Correctly accounting for Significant Figures is important while performing arithmetic so that the resulting answers accurately represent numbers that have computational significance or value. There are three rules that are used to determine how many significant figures are in a number. There are also rules for determining how many digits should ...

Rules for significant figures