-Measured Numbers - -numbers you obtain when you measure a quantity
using a measuring tool
✰ percentage of error
-Significant Figures Rules - -1. All non-zero numbers are significant
2. Zero between non-zeros are significant
3. Zero's after the decimal place are significant
4. Zeros before the decimal place and after non zero's are significant
5. Leading zero's (i.e. 0.005) are not significant
6. Zero's after non zero's and not after the decimal place are not significant
(200)
✰when adding/subtracting = least amount of decimal places
✰when multiplying/dividing= least amount of significant figures
-Units of Measurement - -nonstandard, metric, and US customary are
systems of measurement; science uses the metric system
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