SI Units and Error in Physics!

Today Mr. Doktor introduced us SI units and it's prefixes. The SI prefixes indicate how much multiplier (by 10) a unit is measured. For Example: a unit of 1000 can be indicated as 10^3 or in other words "a kilo". These prefixes can be find anywhere from computers to cameras and to any measuring device (Terabyte, kilogram, megapixel, etc.).
These are some of the prefixes in SI Units (and its multipliers):





Error is an unescapable part of science. Measuring instruments are never completely free of flaws and measuring always involves estimation. Three reasons error might ovvur in an experiment could be: The measuring instrument has a flaw, estimates of the human maybe wrong, or chaning ambient conditions of the surroundings may change.
We also learned about Absolute Error and Percent Error. Absolute error and percent error are used to determine how precise and accurate something is.
The formula for Absolute Error is:
Absoulte Error = Measured Value - Accepted Value
The formula for Percent Error is:
Percent Error = [(Measured Value - Accepted Value) / Accepted Value] x 100