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[DOCX File]Title:
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If the digit to be dropped is more than five, (or a 5 followed by any non zero) add 1 to the preceding digit. 134.6 g to 3 sig. Figs. = 135 g 134.501 g to 3 sig. figs. = 135 g
sig fig rules

[DOC File]Significant Digits - Miami-Dade County Public Schools
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All zeroes between significant digits are significant. All zeroes which are both to the right of the decimal point and to the right of all non-zero significant digits are themselves significant…
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[DOC File]SIGNIFICANT DIGITS
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The general rules for determining how many significant digits there are in a number are: Trailing zeroes at the end of a number that does not have a decimal point are not significant (like those in 36,000). Leading zeroes at the beginning of a decimal that is less than 1 are not significant …
significant digits rules

[DOCX File]Rounding and Significant Digits
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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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[DOC File]Significant Digits Handout
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If a decimal point is present, count significant digits starting with the first non-zero digit on the left. Examples: (a) 0.004703 has 4 significant digits. (b) 18.00 also has 4 significant digits.
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[DOC File]SIGNIFICANT FIGURES
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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
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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Round off to the appropriate number of significant digits by increasing the last digit by one (if the number after that is greater than 5) or leaving it as it is (if the number after that is less than 5).
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www.nku.edu
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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[DOCX File]Significant Digits
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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.
sig fig rules

[DOC File]RULES FOR SIGNIFICANT FIGURES
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Round down whenever the digit following the last significant figure is a 0,1,2,3, or 4. For example, 30.24 becomes 30.2. Round up whenever the digit following the last significant figure is a 6,7,8,9 or a 5 with any nonzero digit at any place after it.
law of significant figures

Significant digit rules for addition