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[DOC File]Significant Digits Handout - University of Texas at Austin
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Rules for addition and subtraction with significant figures: 1. Change the units of all measurements, if necessary, so that all measurements are expressed in the same units (kilograms, meters, degrees Celsius, etc.). 2. The sum or difference of measurements may have no more decimal places than the least number of places in any measurement. For ...
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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Calculations using significant digits. There are two different rules for how many significant digits to keep in your answer when you do a calculation, depending on whether you are doing addition/subtraction or multiplication/division. Adding and Subtracting: Look for the number whose final significant digit ends in the farthest decimal place to ...
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[DOC File]Significant Figures Practice Worksheet
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Rules for Significant Figures. The following applies for numbers that are measured: All non-zero digits in a number . are. significant. A non-zero digit is any digit not zero: 1,2,3,4,5,6,7,8, and 9. All leading zeros are . not. significant. Leading zeros are the zeros in front of a number (on the left side).
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[DOC File]SIGNIFICANT DIGITS
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Worksheet: Significant figures Date: A. Read pp. 56 - 62 and answer the following questions: 1. _____ (T/F) Significant figures include all the digits that can be known precisely and the last digit which must be estimated. 2. _____ (T/F) Significant figures are an indication of the precision of a measurement. 3.
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[DOC File]1. Significant Figures
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The number of significant digits in an answer to a calculation will depend on the number of significant digits in the given data, as discussed in the rules below. Approximate calculations (order-of-magnitude estimates) always result in answers with only one or two significant digits.
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[DOC File]Significant Digits
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Because of this, there are four rules used to determine the proper number of significant figures in a reported value. 1. All non-zero digits are significant. 2. All zeros between two non-zero digits are significant. 3. All leading zeros that precede the first non-zero digit are never significant. 4.
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[DOC File]RULES FOR SIGNIFICANT FIGURES
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has three significant digits, thus . 0.0123. must also have three significant digits. 7. Any zeros to the right of a number and the right of a decimal point are significant. The value . 0.012300. and . 25.000. both contain five significant digits. The reason for this is that significant figures indicate to . what place a measurement is made.
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[DOCX File]Significant Digits
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Chemistry: Significant Digits Name_____ Hr____ Date _____ In an attempt to get away from the mathematical burden of uncertainties, scientists have gone to the use of established rules for significant digits that have greatly simplified calculations.
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www.nku.edu
Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant
significant digits when adding

[DOC File]Significant Digits - Miami-Dade County Public Schools
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Examples: (a) 0.004703 has 4 significant digits. (b) 18.00 also has 4 significant digits. (2) Atlantic – "A" is for decimal point is absent. If there is no decimal point, start counting significant digits with the first non-zero digit on the right. Examples: (a) 140,000 has 2 significant digits. (b) 20060 has 4 significant digits.
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Significant digit addition rules