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[DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...
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There are five rules for identifying significant figures. 1) Non-zero digits and zeros between non-zero digits are ALWAYS significant. 2) Leading zeros (zeros at the beginning of numbers) are NOT significant. 3) Zeros to the right of all non-zero digits are only significant if the decimal point is shown.
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[DOC File]Significant Figures - California State University, Northridge
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There are two simple rules to follow: RULE 1. In carrying out a multiplication or division, the answer . cannot. have more significant figures than either of the original numbers. RULE 2. In carrying out an addition or subtraction, the answer cannot have more digits after the decimal point than either of the original numbers. Title: Significant ...
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[DOC File]Rules for Recognizing Significant Figures
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Rules for Rounding Numbers. If the digit to the . immediate right. of the last significant figure is < 5, do not change. the last significant figure. > 5, round up. the last significant figure. = 5, and is . followed by. a . nonzero digit, round up. the last significant figure. = 5, and …
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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]Significant Figures - Mr. Bigler
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Math with Significant Figures. Whenever you do math with significant figures, the answer can’t be more precise than the numbers it came from. There are two simple rules to make sure this doesn’t happen: Addition & Subtraction: Line the numbers up in a column.
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[DOC File]Signigicant Figures
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Zeros - Trailing zeros are significant only if the number contains a decimal point. Example: 9.300 has 4 sig figs. 5. Exact numbers have an infinite number of significant figures. Example: 1 inch = 2.54 cm, exactly. Rules for Significant Figures in Mathematical Operations. 1.
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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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[DOC File]Significant Figures - SCH3U
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9.00 x 102 g has three sig figs. Basic Rules for Significant Figures: All non-zero digits are significant All zeroes between significant figures are significant All zeros which are both to the right of the decimal AND to the right of all non-zero significant digits are themselves significant.
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[DOC File]Significant Figures and Scientific Notation
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Significant Figures – all the digits that can be known precisely in a measurement, ... Rules for determining whether a digit in a measures value: 1. Every non zero digit in a reported measurement is significant ... Determining significant figures when adding and subtraction.
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[DOC File]Significant Figures and Scientific Notation
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Rules for determining whether a digit is significant: 1. Every non zero digit in a reported measurement is significant. Example: 45.3 meters (3 significant figures) 2. Zeros appearing between nonzero digits are significant . Example: 30045 (5 significant figures) 3. Leftmost zeros appearing in front of nonzero digits are not significant
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Significant figures rules subtraction