77 616 in two significant figures

    • SIGNIFICANT FIGURES - Texas State University

      The following rules apply to determining the number of significant figures in a measured quantity: 1. All nonzero digits are significant—457 cm (three significant figures); 0.25 g (two significant figures). 2. Zeros between nonzero digits are significant—1005 kg (four significant figures); 1.03 cm (three significant figures). 3.

    • [PDF File]Significant Figures - Montgomery College

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      Significant Figures Scientific measurements are reported so that every digit is certain except the last, which is estimated. All digits of a measured quantity, including the certain one, are called significant figures. Counting Significant Figures Examples 1. All non-zero digits are always significant. 1.54 (3 sig. figs.) 45 (2 sig. figs.) 2.

    • [PDF File]notes on significant figures - Stanford University

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      page 1 of 1 notes_on_significant_figures.doc 9/21/2009 Notes about Significant Figures: The rules for deciding the number of significant figures are: 1. Non-zero digits are significant unless indicated otherwise (for instance see 8. below). 2. Zeros between two non-zero digits are significant. 3. Zeros before the first non-zero digit (i.e. “leading zeros”) are not significant (for instance

    • [PDF File]Significant Figure Rules

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      Range 2: If you measure 1.0 to 10 cm, the ruler provides you with two significant figures. Range 3: If you measure, 10.0 cm to 100 cm, the ruler provides you with three significant figures. Range 4: If you measure, 100.0 cm to 199.9 cm, the ruler provides you with four significant figures. Range 5.

    • [PDF File]Significant Figures and Rounding Explanations and Examples - AACC

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      5,345,666 to two significant figures, you cannot just drop the last digits to give 53. That would dramatically change the size of the number (from about 5 million to about 50). Instead, you put zeros in the places of _____ Page 3 the digits you drop. This example would be 5,300,000. However, the number of significant figures in this ...

    • [PDF File]Significant Figure Rules 1A - Laney College

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      Example: 4.79 has three significant figures. 2. Zeros in the middle of a number are significant. Example: 1.049 has four significant figures. 3. Leading zeros (at the very beginning of the number) are not significant. 0.032 has two significant figures. It may be written as 3.2 × 10-2. 0.0000411 has three significant figures. (It is also 4.11 ...

    • [PDF File]A. Measuring Length Measurement and 21.0Significant Figures

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      Measurement Significant Figures Reason 455.2 cm 4 All nonzero digits are significant. 0.80 m 2 A following zero in a decimal number is significant. 50.2 L 3 A zero between nonzero digits is significant. 0.0005 lb 1 Leading zeros are not significant. ft 2 Placeholder zeros are not significant. Sample Problem 2 State the number of significant ...

    • [PDF File]Significant Figures akj PM

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      The first number has two significant figures, and the second has three. Since the calculated answer must match the number with the fewest significant figures, it should have two significant figures: 3.6 cm × 5.18 cm = 8.8 cm2 (not 8.78 cm2) Practice: Express the answers to the following operations with the proper number of significant figures:

    • [PDF File]SIGNIFICANT FIGURES, EXPONENTS, AND SCIENTIFIC NOTATION

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      390.002 contains six significant figures ⎭ 3. Zeros at the beginning of a number (i.e., on the left-hand side) are considered to be placeholders and are not significant. 0.00078 contains two significant figures ⎫ In these examples, the zeros 0.00205 contains three significant figures ⎬ on the left are placeholders.

    • [PDF File]Scientific Notation/Significant Digits Worksheet 1 - Yola

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      B) Determine the number of significant figures in each of the following: 1. 4 2. 3. 4. 0.000984 5. 0.502 6. C) Convert each into decimal form. 1. 4 1.56 10 u 15,600 2. 2 0.56 10u 3. 2 3.69 10u 4. 5 736.9 10 5. 5 0.00259 10u 6. 2 13.69 10u D) Round each of the following to 3 significant figures. 1. 77.0653 77.1 2. 3. 0.00023350 4. 21 2.895 10u

    • [PDF File]Chemistry: Significant Digits Name Hr Date

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      0.0008769 = 0.000877 or 8.77 x 10-4 24. ... Perform the following operations giving the proper number of significant figures in the answer. 25. 23.4 x 14 327.6 = 330 or 3.3 x 102 26. 7.895 + 3.4 11.295 = 11.3 27. ... Converting between two sets of units never changes the number of significant figures in a measurement. Remember, data are only as ...

    • [PDF File]Significant Figure Rules - Chadron State College

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      Hence a number like 26.38 would have four significant figures and 7.94 would have three. The problem comes with numbers like 0.00980 or 28.09. Rule 2: Any zeros between two significant digits are significant. Suppose you had a number like 406. By the first rule, the 4 and the 6 are significant. However, to

    • [PDF File]Significant Figure Rules - Rice University

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      Hence a number like 26.38 would have four significant figures and 7.94 would have three. The problem comes with numbers like 0.00980 or 28.09. Rule 2: Any zeros between two significant digits are significant. Suppose you had a number like 406. By the first rule, the 4 and the 6 are significant. However, to

    • [PDF File]Inhaled corticosteroids reduce senescence in endothelial progenitor ...

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      Eighteen healthy non-smokers, eleven smokers with normal lung function and twenty-two patients with COPD (3 mild, 12 moderate, 7 severe) were recruited in the study (details in online supplemental material and reference3 and ECFC were isolated from blood samples as described.3 All individuals were free from significant cardiac, renal ...

    • [PDF File]Material taken from: University of South Carolina Stephen L ... - KFUPM

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      100 (assume 3 significant figures) + 23.643 (5 significant figures) = 123.643, which should be rounded to 124 (3 significant figures). Addition and Subtraction with Significant Figures When combining measurements with different degrees of accuracy and precision, the accuracy of the final answer can be no greater than the least accurate measurement.

    • Significant Figures - Purdue University

      Each of the following numbers has two significant figures: 2.3*102 2.3 -0.23 0.0023 -2.3*105 2.3*10-4 (5) Writing an integer number (e.g., 350 m) presents a problem, because it does not clearly defines the number of significant figures (two significant figures or three?). Use the

    • Significant Figure Rules

      Hence a number like 26.38 would have four significant figures and 7.94 would have three. The problem comes with numbers like 0.00980 or 28.09. Rule 2: Any zeros between two significant digits are significant. Suppose you had a number like 406. By the first rule, the 4 and the 6 are significant. However, to

    • [PDF File]Guidance for the Use of Significant Figures and Rounding ... - Nevada

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      two significant figures. There is no way to know what was intended unless there is a note that explicitly states how many significant figures there are. Replacing “10” with “10.” is not a robust solution to this problem since Excel replaces “10.” with “10” and the information that the user intended to provide is lost.

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