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[DOC File]Chapter 1 Chemistry: Matter and Measurement
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Unit Title: Chemtools- An Introduction to Chemistry. Major Learning Outcomes: Students should be able to: Define SI units for time, length, mass, and temperature (Kelvin and Celsius) Compare the derived units of density and volume. Express numbers in scientific notation. Perform operations in scientific notation
rounding significant figures pdf

[DOC File]Significant Figures Worksheet - Chemistry Geek
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Ex. Rounding off 5.3132 to 3 significant figures = 5.31. If the first digit to be dropped is . 5 or greater, the last retained digit is increased by 1. Ex. Rounding off 15.684 to 3 significant figures = 15.7
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[DOC File]Cloud Object Storage | Store & Retrieve Data Anywhere ...
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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]Significant Figures and Rounding Measurements Name
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Rounding 1.2143 to 3 significant figures gives 1.21 . 3. If the first non-significant number to the right is 5 and it is followed by non-zero digits, add 1 to the last digit to be retained and drop all the digits farther to the right. Rounding 1.2256 to 3 sig figs gives 1.23 (round up because the 5 is followed ...
rounding significant figures worksheet

[DOC File]Significant Figures Practice Worksheet
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C. General Rounding Rule: When a number is rounded off, the last digit to be retained is increased by one only if the following digit is 5 or greater. Example 1L.3 Solve the following problems and state the answers with the proper number of significant figures. a. Calculate the area of an object with a length of 1.345 m and a width of 0.057 m. b.
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[DOC File]Chemistry - North Thurston Public Schools
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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 - Ms Brown's Chemistry Page
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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]Rules for Determining Significant Figures in Measurements
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4. When multiplying or dividing measurements written in significant figures, show the uncertainty of your calculations by rounding off your answer to . match the same number of significant figures as your least precise measurement (the measurement with the least number of significant figures). Example: 477.85 ( 32.6 = 14.657975 = 14.7
significant figures rounding

[DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...
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How many significant figures are in each of the following numbers? 1) 5.40 ____ 6) 1.2 x 103 ____ 2) 210 ____ 7) 0.00120 ____ 3) 801.5 ____ 8) 0.0102 ____
rounding significant figures pdf

Rounding Significant Figures Calculator
Round off each of the following numbers to three significant figures. a. 15.9994 b. 1.0080. c. 0.6654 d. 4885. e. 87,550 f. 0.027225. 2. Put the following numbers into scientific notation and write down the number of. ... Significant Figures and Rounding Measurements Name _____ ...
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Chemistry significant figures rounding