Unformatted text preview: • counting significant digits in a single measurement o convert to exponential notation o disappearing zeros just hold the decimal point- they aren't significant. o exception: zeros at the end of a whole number might be significant • Precision of Calculated Results o calculated results are never more reliable than the measurements they are built from o multistep calculations: never round intermediate results! o sums and differences: round result to the same number of fraction digits as the poorest measurement o products and quotients: round result to the same number of significant digits as the poorest measurement....
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- Fall '10