Adding and dividing significant figures
[DOC File]Significant Figures and Scientific Notation
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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.
[DOC File]1. Significant Figures
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Example: 30045 (5 significant figures) 3. Leftmost zeros appearing in front of nonzero digits are not significant. Example: 0.0071 (2 significant figures) 4. Zeros at the end of a number and to the right of a decimal point are . always significant. Example: 43.00 (4 significant figures) Example 4300. (4 …
[DOC File]Significant Figures and Scientific Notation
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DIVIDING in scientific notation. Divide the mantissas and SUBTRACT the exponents (7.5 x 10-3)/(2.5 x 10-4) = 7.5/2.5 x 10-3-(-4) = 3 x 10 = 30. ADDING or SUBTRACTING in scientific notation. 1. First make sure that the numbers are written in the same form (have the same exponent) 3.2 x 103 + 40 x 102 (change to 4.0 x 103)
[DOC File]Reading for Meaning- Significant Figures
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The concept of significant figures has the answer. When multiplying and dividing numbers, you need to round your answers to the correct number of significant figures. To round correctly, follow these simple steps: Count the number of significant figures in each number. Round your answer to the least number of significant figures. Here’s an ...
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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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]Scientific Notation: Adding and Subtracting
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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.
[DOC File]SIGNIFICANT FIGURES
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1. Do significant figures relate to the accuracy or the precision of the measurement? 2. Explain the reasoning behind the rules for adding, subtracting, multiplying, and dividing with significant figures. 3. What determines the number of significant figures in a recorded value? 4. What determines the number of significant figures in a ...
ChemQuest 2 - Quia
Adding and subtracting with significant figures. Multiplying and dividing with significant figures. Area of a rectangle. ... Round each of the following measurements to the number of significant figures indicated. 67.029 g to three significant figures. 0.15 L to one significant figure.
[DOC File]Guided notes: Scientific notation
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When multiplying or dividing, the number of significant figures retained may not exceed the least number of digits in either the of the factors √ 4. In multiplying together the following numbers their product has the correct number of significant figures: 66.45 cm x 2.00 cm x 48.2 cm= 6410 cm3. 5.
[PDF File]Appendix 1, Significant figures in numerical calculations
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Scientific Notation: Multiplying and Dividing. MULTIPLICATION: Multiply the numbers. Add the exponents for the power of ten. Example: (3.0201 x 102)(2.0 x 101) = 6.0 x 103 (Use correct number of significant figures. Use correct scientific notation.) Note: If a power of ten is not expressed, it is understood to be 100, which equals 1.
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