SI units, prefixes, and values P. Perkerson - ppt video online download
Data Units – Wiki-WebPerfect
An introduction to metric prefixes | It's The Small Things
SOLVED: From these unit conversion factors: 60 seconds minute 60 minutes hour 24 hours day 365.25 days average year and these metric prefixes:| kilo thousand 10^3 mega million 10^6 giga billion 10^9