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[DOC File]Significant Figures Practice Worksheet
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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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[DOCX File]Title:
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Significant figures: all the subdivisions that can be read from the scale of an instrument plus an additional estimated subdivision (For example the length of a nail is measured to be 3.65 cm. In this case 3.6 cm were read directly from a ruler; however the .05 cm was estimated by the measurer).
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[DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...
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UNIT 1 NOTES: Scientific Notation, Significant Figures & Rounding, Metric Units (Chapter 3 in your Chemistry Text) Scientific Notation. When scientists talk about very large or very small numbers, it gets difficult to name the number (e.g. a one followed by 15 zeros is quadrillion or quintillion?) and it’s painstaking to write them down.
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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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When making calculations with measured values, the answer will need to be rounded to the correct number of significant figures according to the following rules. 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.
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[DOC File]Chemistry - North Thurston Public Schools
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Chemistry Name: 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]Notes Ch - Quia
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Use of significant figure rules helps us express values with a reasonable amount degree of precision. Rules for multiplication and division with significant figures: When multiplying or dividing, the number of significant figures retained may not exceed the least number of digits in either of the factors. Example: 0.304 cm x 73.84168 cm.
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[DOC File]Rules For Significant Figures
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Ex: 0.004 has 1 significant fig. If a number ends in zeros to the right of the decimal point, those zeros are significant. Ex: The number 40.0 has 3 significant figures. Multiplication and division, the result may have . no more. significant figures than the factor with the . fewest number. of significant figures.
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[DOC File]RULES FOR SIGNIFICANT FIGURES
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(B) For multiplication and division: The answer should not have more significant figures than the number with the least amount of significant figures. Example: 502 x 3.6 = 1800 Not 1807.2 * These last 2 rules can be called the Many-Places rule. For mult/div, how many significant figures is important. For plus/minus, number of places is important.
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[DOC File]Measurements - City University of New York
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Multiplication and division: the result should be rounded off so as to have the same number of significant figures as in the component with the least number of significant figures. For example, 3.0 (2 significant figures) × 12.60 (4 significant figures) = 37.8000, which should be rounded off to 38 (2 significant figures).
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[DOC File]Rules For Significant Figures
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Ex: 0.004 has 1 significant fig. If a number ends in zeros to the right of the decimal point, those zeros are significant. Ex: The number 40.0 has 3 significant figures. Multiplication and division, the result may have . no more. significant figures than the factor with the . fewest number. of significant figures.
significant figures worksheet with rules

Significant figures rules division