- each level is 1000 times last one - Kilo- means 1,000 ($10^3$), thousand - Mega- means 1,000,000 ($10^6$), million - Giga- means 1,000,000,000 ($10^9$), billion - Tera- means 1,000,000,000,000 ($10^{12}$), trillion - Peta- means 1,000,000,000,000,000 ($10^{15}$), quadrillion - Exa- means 1,000,000,000,000,000,000 ($10^{18}$), quintillion ![[CleanShot 2024-06-19 at [email protected]|350]] ![[CleanShot 2024-06-19 at [email protected]|350]] https://mynasadata.larc.nasa.gov/print/pdf/node/273#:~:text=Kilo%2D%20means%201%2C000%3B%20a%20Kilobyte,Terabyte%20is%20a%20trillion%20bytes