Scientific rounding rules
[DOC File]UNIT 1 Notes: Scientific Notation, 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
[DOCX File]OK, How Does it Work? - Ms. Petrauskas' Class - Home
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According to rounding rules for addition, the sum of 27.1, 34.538, and 37.68 is ____. a. 99.318 c. 99.31 b. 99.3 d. 99 ... The product of 2 104 cm and 4 10–12 cm, expressed in scientific notation is ____. a. 8 10–7 cm c. 8 10–8 cm b. 6 10–8 cm d. 8 10–48 cm ____ 5. A series of logical steps that is followed in order to solve a problem ...
[DOC File]Scientific Notation Worksheet
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The potential ambiguity in the last rule can be avoided by the use of standard exponential, or "scientific," notation. For example, depending on whether the number of significant figures is 3, 4, or 5, we would write 50,600 calories as: ... Rules for rounding off numbers *** Examples. are to be rounded to 2.
[DOC File]Rules for Recognizing Significant Figures
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scientific notation 6.70 * 10-3 g 3. A number is not significant if it is. A zero at the beginning of a decimal 0.0008 kg 1. number (between a decimal point and 0.0953 m 3. a nonzero digit) A zero used as a placeholder in a large 750 000 km 2. number without a decimal point 1 430 000 mm 3 _____ Rules …
[DOC File]Significant Figures Practice Worksheet
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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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In scientific notation, all digits in the coefficient are significant: 8.75 × 105 has three significant digits. Zeros to the right of a significant digit but to the left of a decimal point may or may not be significant: 875,000 has at least three significant digits, but may have as many as six.
4.6: Significant Figures and Rounding - Chemistry LibreTexts
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.
[DOC File]Unit Conversions - Scientific Notation and Significant Digits
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Rules for rounding. 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.
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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Scientific Notation Worksheet Subject: Chemistry Author: Jeff Christopherson Last modified by: UNIT55 Created Date: 9/14/2004 2:43:00 PM Company: Unit District # 5 Other titles: Scientific Notation Worksheet Category: Chemistry - Introduction to Chemistry
[DOC File]Rules for Determining Significant Figures in Measurements
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Rules for manipulating numbers: ... Rounding off numbers: 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). ... A scientific system for …
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