How many significant figures in 3 0
[DOCX File]Significant Figures & Measurement
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To measure with significant figures, you count ALL digits. Each one is considered significant. For example, a ruler that reads 1.36 cm has 3 significant figures. A beaker with 12.52 mL of liquid has 4 significant figures. Scientific equipment has markings that let you read its measurement to a certain number of significant figures.
[DOC File]Unit and Significant Figure Practice
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1.0 gram of steak contains .0020 mg of Fe. 2. How much will it cost to tile a 400. ft2 floor if there are 40. tiles per box, each tile is 1.5 ft2 and each box costs $13.50?
[DOC File]evanshonorschemistry.weebly.com
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Write this in scientific notation to express correctly the number of significant figures. 10) Do the indicated arithmetic and give the answer to the correct number of significant figures: i. (8.71 X 0.0301)/0.056 ii. 0.71 + 81.8. iii. 934 X 0.04356 + 107. iv. (847.89 – 847.73) X 14,673. 11) How many significant figures are there in each of ...
[DOC File]Significant Figures Worksheet - Anderson High School
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Significant Figures Worksheet. How many significant figures are in each of the following numbers? 1) 5.40 6) 1.2 x 103. 2) 210 7) 0.00120 . 3) 801.5 8) 0.0102. 4) 1,000 9) 9.010 x 10-6. 5) 101.0100 10) 2,370.0. Round these numbers to 3 significant digits. 1,566,311 2.7651 X 10 -3
[DOCX File]CToThe3Chemistry - Home
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The only significant digits are the digits one is certain of plus the one estimated digit. Many times zeroes are just placeholders and are not “significant.” Rules for Significant Figures: Leading zeroes are never significant. Example: 0.00682 has 3 significant figures (6.82 x 10-3) Zeroes in the middle of a measurement are always significant.
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The number 10,210 has four significant figures because only the zero at the end is considered not significant. All of the digits in the number 10,005 are significant because the zeros are in between two nonzero numbers (Rule #3).
[DOC File]ASDL Community – Sharing Scientific Collections
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1. Indicate how many significant figures are in each of the following numbers. 903 0.903 1.0903 0.0903 0.09030 9.03 × 102. 2. Round each of the following to three significant figures. 0.89377 0.89328 0.89350 0.8997 0.08907 3. Round each to the stated number of significant figures. the atomic weight of carbon to 4 significant figures
[DOC File]Sigfig Calculation Practice Problems
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Significant Figures and Dimensional Analysis #3. Perform the following conversions. Keep the correct number of significant figures in the answer. show your work. Answers without work will not be given credit. 1. 123 ft to miles. 2. 15000 inches to miles. 3. 0.566 miles to yards. 4. 1.35 years to seconds. 5. 180 mg to grams. 6. 16000 mg to kg. 7 ...
[DOC File]Scientific Notation & Significant Digits
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0.982x10-3. 0.0473 650502 3.03x10-1 2. Convert each of the following to decimal form, retaining the same number of significant figures. Note the number of significant figures for each measurement. The first has been done for you as an example. 1.56x104 15,600 (3 SF) 0.56x10-2. 3.69x10-2. 736.9x105. 0.00259x105. 13.69x10-2 3. Calculate the ...
[DOCX File]Cumulative Problems - Chemistry | University of Missouri
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How many significant figures are in each number? 0.1111 s. 0.007 m. 108,700 km. 1.563300 × 10 11 m. ... The average density of a human is about 1.0 g/cm 3 , and the density of fat is 0.918 g/cm 3 . 142. A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of ...
[DOC File]Significant Figures and Measurement Activity
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0.001 oC has only 1 significant figure, 0.012 g has 2 significant figures. (4) Zeroes to the right of a decimal point in a number are significant: 0.023 mL has 2 significant figures, 0.200 g has 3 significant figures. (5) When a number ends in zeroes that are not to the right of a decimal point, the zeroes are not necessarily significant:
[DOC File]Week 2, Lab 1: 9/15: Atoms
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In order to use significant figures, you must first know what they are. From the data below, develop a set of rules for determining the number of significant figures in a number. Rule #1 (nonzero numbers) Number of significant figures 16.7 3 541 3 0.0312 3 8.71 3 0.657 3 …
[DOC File]Problems - Strongsville City Schools
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Round off the following answers to the number of significant figures indicated: a. 2788.98 g 3 sig figs 2790 or 2.79 x 103 The number started as two thousand, seven hundred, and eighty-eight; so the rounded number still has to be in thousands.
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