The place value system is how our numbers work. Where the value of each symbol’s number is dependent in part upon its _place_ in the number. Roman numerals don’t use the place value system. 3 separate [[Pristine Civilization]]s came up with the place value system for representing numbers. 1. Babylonians used it and counted in base 60 2. The Mayans used base 20, but didn’t have a common system for zero. 3. The Indians used our numbering system, including a zero **** # More ## Source - thinking better ## Related