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Phy Measure & Calc

QuestionAnswer
SI measurement system based on this system & the number 10 metric system
measurement system used by US ; not based on a number English system
5 (.5) or more use this Rounding Rule Round up {Rule}
4 (.4) or less use this Rounding Rule Stay the same {Rule}
Rounding Rule for Adding , Subtracting or finding Average Least # of decimal places (LDP)
Rounding Rule for Multiplying, Dividing or Mixed Operations Least # of significant figures (LSF)
SI prefix for 1/1000 milli
SI prefix for 1000 kilo
SI prefix for 10 deca
SI prefix for 1/10 deci
A product of a coefficient ( 1 < 10 ) times base of 10 raised to a power (exponent) Scientific Notation
ways to have infinite significant figures exact number , actual count , math conversion factor
non-zeros , trapped zeros, trailing zero with decimal ALWAYS significant figures
leading zeros , trailing zero without decimal NEVER significant figures
Rounding Rule when taking measurements include all known digits + 1 estimated digit {Rule}
SI prefix for 100 hecto
SI prefix for 1/100 centi
method of using equivalent fractions to convert between different units dimensional analysis
grams, meters, Liters, seconds (value of 1) base metric units
Created by: cadetjt
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