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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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How do you determine the number of sig figs in a number or measurement? How do you round to the correct number of sig figs when multiplying, dividing, adding, or subtracting? How do you precisely read a triple beam balance, ruler, graduated cylinder, etc.? Scientific notation. How do you convert a number into scientific notation and vice versa? How do you multiply and divide numbers in ...
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[DOC File]Significant Figures
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A silly (correct) example of addition with sig figs is: 100 + 37 = 100. Multiplication, division, etc.: For multiplication, division, and everything else (except for addition & subtraction), round your answer off to the same number of sig figs as the number that has the fewest. For example, (Notice that we used a decimal point at the end to show that both of the digits digits in the answer ...
sig figs division

[DOC File]Significant Figures and Uncertainty Applications
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Multiplication/Division: The number of sig. figs. in a final answer for both operations is the SAME number of sig. figs. as in the LEAST number of digits in any piece of data. (23.4 mol)(1.2 g·mol-1) = _____ (4.1384 m)/(298 m·s-1) = _____ NOTE: EXACT NUMBERS DO NOT HAVE SIG. FIGS. They are conversions treated as having INFINITE sig. figs. MEASURED and REPORTED numbers have sig. figs ...
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[DOC File]Significant Figures
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m (2 sig figs) 3. Addition / Subtraction a) First perform all the operations. b) Round off your result so that you include only 1 . uncertain digit. The last digit of any measurement is considered . uncertain. When an . uncertain. digit is added to (or subtracted from) a certain digit, the result is an . uncertain. digit. (UNCERTAIN DIGITS ARE . HIGHLIGHTED) Example: 15. 3. ml + 1. 8. ml + 9.1 ...
adding and multiplying sig figs

[DOC File]Chemistry -- Mr
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Multiplication/Division: The answer should contain the same number of sig figs as the measurement with the . FEWEST. number of sig figs. Addition/Subtraction: (a bit tricky) The final digit should be in the same place (hundreds, tens, ones, tenths, hundredths, etc.) as the measurement with its final digit in the . LEAST PRECISE (leftmost) place. Title: Chemistry -- Mr Author: Keene Schools ...
rule for multiplying sig figs

[DOC File]Sig Figs - UCSB
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multiplication/division, the answer contains the same number of sig figs as the least precise number (least sig figs) in the calculation. b. In . addition/subtraction, the answer is rounded to the number of decimal places as the least precise (least decimal places) number in the calculation. Write the answer with the correct sig figs for: (3.84 x 10-7 x 4.010 x 1012)/0.0046 = 2.245 + 3.1 + 9 ...
sig fig rules

[DOC File]Chemistry 11 Problem Solving in Chemistry
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Applying sig fig rules to addition and subtraction. Applying sig fig rules to multiplication and division. Identifying sig figs. All digits are significant except zeros at the beginning of a number. Note that a number begins with its first non-zero digit. Also the last significant digit often has a slight uncertainty associated with its value. Rounding off numbers. If the first digit to be ...
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[DOCX File]www.westgatemennonite.ca
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The weight can be expressed as 12. x 101 g or 1.2 x 102 g if we wish to quote unambiguously to 2 sig figs, and 12.0 x 101 g or 1.20 x 102 g if we have a confidence level extending to 3 sig figs. Note: We cannot write 120.0 g since this requires known accuracy of ± 0.1 g. These rules apply to measured quantities which are non-exact.
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[DOC File]Significant Figures Practice Worksheet
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Multiplication & Division = Least number of . Sig Figs. Rule for . Addition & Subtraction = Least number of . decimal places (highest value) Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 = 4) 53.4028 - 14 = 5) 39.3 - 0.804 = 6) 91.68 - 19.1 = 1) 7.6 x 21.9 = 2) 2.15 x 3.1 x 100 = 3) 5.00009 x 0.06 = 4) 38 / 7 ...
how to multiply sig fig

[DOCX File]mypphysics.weebly.com
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In practice, find the quantity with the fewest number of sig figs. In the example below, the quantity with the fewest number of sig figs is 27.2 (three sig figs). Your final answer is therefore limited to three sig figs. _____ _____ D. Rules for combined addition/subtraction and multiplication/division problems
sig figs division

Sig figs addition and multiplication