How many significant figures are in 2 87
[DOC File]Exam
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Using the value 3.1416 for the constant π, the volume of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is _____. A) 342.49471 B) 342.495
[DOC File]Chapter 3 Scientific Measurement Name______________
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Chapter 2 Matter and Energy. 2-3 Measurements and Calculations in Chemistry. How many significant figures are in each of these measurements? 143 g d. 1.072 km. 0.074 cm e. 10,800 m. 8.750 x 10-2 …
[DOC File]Chemistry Worksheets
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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 ____ ... If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 0C, how many moles of gas do I have? 3) If I contain 3 moles of gas in a container with a volume of 60 ...
[DOC File]Unit 1 Packet - Chandler Unified School District
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6. How many inches long is a football field? 7. How many m3 is 4.6 cm3.? Express your answer in scientific notation. 8. How many mg is 59.0 kg? Express your answer in scientific notation. Name Date Pd Unit 1: Worksheet 2 - Reading Scales. For each of the following, write the scale reading, then the number of significant figures in the reading.
Chapter 1: Chemistry: The Study of Change
44. How many significant figures does the difference 218.7201 – 218.63 contain? A) 1 B) 2 C) 3 D) 5 E) 7. Ans: A Category: Easy Section: 1.8. 45. Do the indicated arithmetic and give the answer to the correct number of significant figures. (1.5 10–4 61.3) + 2.01 =
[DOC File]Appendix1 - University of Minnesota
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2. 5.87. 5 +4.2. 3-3.3. 4 +0.01. 3. 2.5. 35 10.4. 85. 10.4. 9. 2.5. 4. The uncertain figures in each number are shown in . bold-faced. type. Multiplication and division. When multiplying or dividing numbers, the number of significant figures must be taken into account. The result should be given to as many significant figures as the term in the ...
Chapter 1: Chemistry: The Study of Change
15. Express the fraction 1/51 in scientific notation to 3 significant figures. A) 2 10–2.00 D) 1.97 10–2. B) 2.0 10–2.00 E) 2.00 10–2. C) 1.96 10–2 Ans: C Category: Medium Section: 1.8. 16. When 7.02 C is converted to the Fahrenheit scale, how many significant figures are there in the F result?
[DOC File]Leadership Development
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D) 1.04 2 significant figures. E) 3.0650 4 significant figures. Answer: C. Objective: 2.2. Global Outcomes: GO4 14) The number of significant figures in the measurement of 45.030 mm is . A) none. B) three. C) four. D) five. E) six. Answer: D. Objective: 2.2. Global Outcomes: GO4. 15) How many significant figures are in the measured number 0 ...
[DOC File]Chemistry Midterm Exam Review
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Significant Figures – adding, subtracting, multiplying, dividing. Scientific Notation - adding, subtracting, multiplying, dividing. Metric Conversions. Dimensional Analysis. Temperature Conversions. Density – D=m/V, V=LWH, V=(r2h, V=Vf - Vi. Determine the number of significant figures in the following numbers. a. 1 SF b. 2 SF c. 4 SF d. 6 ...
[DOC File]CHEMISTRY EXAM REVIEW AND ANSWERS
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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 40,500 mg? 3. 37. How many significant figures are in the measurement 811.40 ...
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