Significant figures in decimal numbers
[DOC File]Significant Figures - California State University, Northridge
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A number is not significant if it is. a zero at the beginning of a decimal number. 0.0004 lb (1) 0.075 m (2) a zero used as a placeholder in a large number without a decimal point. 850 000 m (2) 1 250 000 (3) Significant Figures in Calculations. Multiplication and Division
[DOC File]Rules for Using Significant Figures in Mathematical Operations
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2. When the measurement is a whole number ending with 0’s, the 0’s are never significant. Example: 21. 0 has 2 sig. fig. and . 71,000,000 also has 2 sig. fig. 3. When the measurement is less than a whole number, the 0’s between the decimal and other significant numbers are never significant (they are place holders). Example: .00. 21
[DOC File]SIGNIFICANT FIGURES - Ms Brown's Chemistry Page
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For example, 100 (assume 3 significant figures) + 23.643 (5 significant figures) = 123.643, which should be rounded to 124 (3 significant figures). Note, however, that it is possible two numbers have no common digits (significant figures in the same digit column).
[DOC File]Significant Digits
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Since 0.34 has the fewest significant figures, your answer must only have 2 significant figures. 7.55 meters x 0.34 meters = 2.6 meters2 Scientific Notation – a given number is written as the product of two numbers: a coefficient and 10 raised to a power.
[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 …
Significant Figures
Zeros between numbers (“sandwiched”) are. significant. Thus, 94.072 g has five significant figures. RULE 2. Zeros to the left of a number . are not. significant; they act only to locate the decimal point. Thus, 0.0834 cm has three significant figures, and 0.02907 mL has four. RULE 3. Zeros to the right of a number after the decimal point ...
[DOC File]Significant Figures in Measured Numbers (Dr
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significant as you will see below.) Thus . 123.45. contains five significant digits. 3. Any zeros between numbers are significant, thus . 1002.05. contains six significant digits. 4. Unless told differently, all zeros to the left of an understood decimal point (a decimal that is not printed) but to the right of the last number are not ...
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