| A | B |
|---|
| Matter | Anything that has mass and takes up space |
| milli (m)* | 0.001 (one thousandth) |
| centi (c)* | 0.01 (one hundredth) |
| kilo (k)* | 1,000 (one thousand) |
| Relationship between English and Metric units of volume | 1 cubic centimeter is the same as 1 milliliter |
| Accuracy | An indicaton of how close a measurement is to the true value |
| Precision | An indication of the scale on the measuring device that was used |
| A digit within a number is considered to be a significant figure if: | It is non-zero OR it is a zero that is between two significant figures OR it is a zero at the end of the number and to the right of the decimal point |
| Adding and subtracting with significant figures | Use the lowest PRECISION (the # of decimal numbers) of the numbers to determine where to round off. |
| Multiplying and dividing with significant figures | You COUNT THE SIGNIFICANT FIGURES to determine where to round. |
| Density | An object's mass divided by the volume that the object occupies |
