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[DOC File]Guided notes on Accuracy, Precision, and significant ...
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However you will need to know the rules on scientific notation and sig figs. The number of sig figs comes from the number written _____ the times sign. 3.50 x 1023 = ___ sig figs; 5.0 x 10 -4 = ___ sig figs; 3 x 10-4 = ____ sig figs

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The mass of a postage stamp, 0.00002 kg. The half-life of an isotope of actinium, 0.00018 s. The diameter of an atom, 0.000 000 000 2 m. How many significant figures are in each of the following? 125. 0.013. 1007. 25.10. 3700. What is the order of magnitude for each of the following? 4 x 107. 2 x 10-7. 3.5 x 105. 9 x 104. 9 x 10-2

[DOCX File]Scientific Notation Worksheet
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1) Count the sig. figs. in the numbers you are multiplying and/or dividing. Your answer should be rounded off to the smallest number of sig. figs. in your problem.

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Express you answers to the following with the appropriate number of sig figs: 422.6 + 23.135 + 310.04= 123.009 + 16.001 + 22.6= 44.79-2.3-0.0045= 2.90 x 0.01733 x 920= (72) (4.022) / 9.03 (657.89)/ 32.9= (34.567) (89.2) (54)= 789.235/ 47.36= 0.300 x 120 x 678= (350.1 -19) x 30.0= 890/ 0.500= 1.58 x 1012 / 9.44 x 109= (3 x 10-3) (3.21 x 105)= 4 ...

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How do you know how many sig figs should be in a measurement? It is determined by the instrument used to make the measurement plus one extra number that is estimated. Count the number of sig figs in the following measurements. 2390 3. d. 120 2. 0.00987 3. e. 4,900 2. 0.03056 4. f. 300 1. Express the following values in 4 sig figs. a. 56 56.00 ...

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1) Review: Indicate how many sig figs are in each of the following measurements a) 34.0 cm___ b) 61400 g___ c) 0.002030 sec ___ d) 6.35 x 104 L___ e) 4.0 x 10-5 kg ___ 2) Perform all calculations and express your answer with the appropriate sig figs & units:

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Feb 13, 2015 · Count the number of sig figs in each number you’re multiplying or dividing. Round your answer to the smaller number of sig figs. 7) Complete the following math problems with correct sig figs and units: a. 3.461728 g + 14.91 g + 0.980001 g + 5.2631 g = 24.61 g. b. 23.1 cm + 4.77 cm + 125.39 cm + 3.581 cm = 156.8 cm. c. 22.101 L - 0.9307 L = 21 ...

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Example: 0.304 cm x 73.84168 cm. The calculator displays 22.447871. A more reasonable answer is 22.4 cm. This product has only three significant figures because one of the factors (0.304 cm) has only three significant figures, therefore the product can have only three. Another example: 0.1700 g ÷ 8.50 L.

How many sig figs are in 0 0227