28 has how many significant figures

    • [DOC File]Use of Significant Digits

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      We convey our uncertainty in measured quantities by abiding by the rules of significant figures. Significant figures in a measurement include all of the digits that are known precisely plus one last digit that is estimated. Non-zero digits are always significant. 103.230002. Zeros between two other significant digits are always significant.

    • [DOC File]Significant Figure Rules

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      This CLEARLY indicates the presence of four significant figures. 5) 0.003005- four significant figures. No matter how many zeros there are between two significant figures, all the zeros are to be considered significant. A number like 70.000001 would have 8 significant figures. 6) 3.200 x 109 - four significant figures.

    • [DOC File]Worksheet 2-1 CALCULATOR PRACTICE

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      State how many ZEROS in each of the following numbers are significant. There could be none! 0.003040 12300 450.0 0.006 60500 98000. Round off the given quantity 3.798075 grams to the number of significant figures indicated. One Sig Fig. Two Sig Figs. Three Sig Figs. Four Sig Figs. Five Sig Figs. Six Sig Figs WKS 2.2 - Rounding and Sig Figs (1 page)

    • [DOC File]6 - kau

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      43. Which of the following measurements has five significant figures? A) 4867 mi B) 56 mL C) 60,104 ton D) 0.00003 cm 44. How many significant figures are there in 0.006 L? A) 1 B) 2 C) 3 D) 4 45. How many significant figures are there in 605.5 cm2? A) 1 B) 2 C) 3 D) 4 46.

    • [DOC File]Chemistry Worksheets

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      c) The number of significant figures used in a measurement. d) None of these. 8) How many significant figures are present in the number 10,450? a) three. b) four. c) five. d) none of these. 9) What is the appropriate SI unit for distance? a) centimeters. b) inches. c) meters. d) kilometers. 10) How many decimeters are there in 15 centimeters? a ...

    • [DOC File]Rules For Significant Figures

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      Ex: 0.004 has 1 significant fig. If a number ends in zeros to the right of the decimal point, those zeros are significant. Ex: The number 40.0 has 3 significant figures. Multiplication and division, the result may have . no more. significant figures than the factor with the . fewest number. of significant figures.

    • [DOC File]UNIT 1 Notes: Scientific Notation, Significant Figures ...

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      How many significant figures are in each of the following numbers? a) 114.0 e) 4.50 x 103 b) 733.02 f) -2340 c) 0.000310 g) 6.0040 d) 908010. h) -4.010 x 10-4 Rounding with Significant Figures. There are only two rules that you need to conserve significant figures in calculations.

    • [DOC File]Signigicant Figures

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      2. Zeros - Leading zeros do not count as significant figures. Example: 0.0486 has 3 sig figs. 3. Zeros - Captive zeros always count as significant figures. Example: 16.07 has 4 sig figs. Zeros - Trailing zeros are significant only if the number contains a decimal point. Example: 9.300 has 4 sig figs. 5.

    • Chapter 1: Chemistry: The Study of Change

      41. How many significant figures does the result of the following operation contain? 8.52010 7.9. A) 2 B) 3 C) 4 D) 5 E) 6. Ans: A Category: Easy Section: 1.8. 42. How many significant figures does the result of the following sum contain? 8.5201 + 1.93. A) 1 B) 2 C) 3 D) 4 E) 5

    • [DOC File]Significant Digits

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      has three significant digits, thus . 0.0123. must also have three significant digits. 7. Any zeros to the right of a number and the right of a decimal point are significant. The value . 0.012300. and . 25.000. both contain five significant digits. The reason for this is that significant figures indicate to . what place a measurement is made ...

    • [DOC File]1

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      How many significant figures are there in the following measurements: 1. 823456 6. 93,,000. 2. 725.00 7. 10-7. 3. 0.0000029 8. 0.8050. 4. 634 x 1012 9. 179243. 5. 43000001 10. ... maximum speed of man is 28 mi/hr to m/s. highest mountain in the world is Mount Everest at 8848 m to ft.

    • [DOC File]Rules For Significant Figures

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      Zeros between non-zero digits are significant. Ex: 3004 has 4 significant figs. Zeros to the left of the first non-zero digit are not significant. Ex: 0.004 has 1 significant fig. If a number ends in zeros to the right of the decimal point, those zeros are significant. Ex: The number 40.0 has 3 significant figures

    • [DOC File]CHEMISTRY EXAM REVIEW AND ANSWERS

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      Which value has only 4 significant digits? a. 6.930 c. 8450 b. 0.0450 d. 0.392 34. How many significant figures are in the measurement 0.003 4 kg? a. two c. five b. four d. This cannot be determined. 35. What is the measurement 111.009 mm rounded off to four significant digits? 111.0 mm. 36. How many significant figures are in the measurement ...

    • [DOC File]Significant Figure Rules - Schlick's World of Science

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      00250 has two significant figures. 005.00 x 10¯4 has three. Exact Numbers. Exact numbers, such as the number of people in a room, have an infinite number of significant figures. Exact numbers are counting up how many of something are present, they are not measurements made with instruments. Another example of this are defined numbers, such as ...

    • [DOC File]Exam - CourseNotes

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      28) A certain liquid has a density of. 30.5 mL of this liquid would have a mass of _____ Kg. A) 81.4 . B) 11.4 . C) 0.0875 . D) 0.0814 . E) 0.0114 . ... How many significant figures are in the measurement 5.34 g? A) 1 . B) 2 . C) 4 . D) 3 . E) 5 . Answer: D . Diff: 1 . Page Ref: Sec. 1.5 8) The width, length, and height of a large, custom-made ...

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