Significant figures adding and multiplying
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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The starting values only have three significant figures each, so round the answer to three significant figures, 16.1. When adding and subtracting values, find the smallest decimal place that all values have in common and are significant and that is the last significant decimal place in your answer.
[DOCX File]2
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1.Determine the number of significant figures in each of the following numbers and give a reason why the zeroes are or are NOT significant figures. a) 64000. b) 105.0. c) 0.0023100. 2.Summarize the difference between the rules for significant figures when adding/subtracting and when multiplying/dividing? 3. Solve the following. First write the ...
[DOC File]Reading for Meaning- Significant Figures
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2. The measurement 4560 km has only 3 significant figures. 3. In adding together the following numbers their sum has the correct number of significant figures: 27.99 cm. 17.01 cm. 1.223 cm. 10.00 cm. sum= 56.22 cm. 4. In multiplying together the following numbers their product has the correct number of significant figures: 66.45 cm x 2.00 cm x ...
[DOC File]SIGNIFICANT FIGURES - Ms Brown's Chemistry Page
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All the measurements are accurate to the hundredth place (absolute precision) but the answer is rounded to 3 significant figures because 3.92 has only 3 significant figures (relative precision). In Summary: Adding and Subtracting Multiplying and dividing #’s with ( notation Rule 1 Don’t Do This Case #’s with significant figures Rule 2
[DOC File]Name:
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Significant Figures Every measurement has a certain degree of uncertainty and reflects the precision of your measuring device. It’s easy to show the degree of precision in an original measurement simply by recording it correctly, but it’s a bit more complicated if measurements are combined by adding, subtracting, multiplying or dividing them.
[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]1. Significant Figures
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When multiplying or dividing measurements, the answer will have the same number of significant figures as the measurement with the fewest significant figures. When adding or subtracting measurements, the answer will have the same number of decimal places as the measurement with the least precision (the fewest number of decimal places).
[DOC File]Significant Figures Practice Worksheet
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Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant.
[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]Significant Figures and Scientific Notation
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Determining Significant figures when multiplying or dividing. The answer to a multiplication or division calculation should be rounded to the same number of significant figures as the measurement with the least amount of significant figures. ... Adding and subtraction using scientific notation:
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