# ELEMENTARY ALGEBRA Chapter Notes - Chapter 1: Decimal Mark

## Document Summary

Elementary algebra: measurements class notes: measuring length. Meter basic unit of length in the metric system. Metric system based on powers of ten* Powers of ten means ten multiplied by itself a certain number of times. Metric units of length these are the units that are used in measuring length. Symbol km hm dam m dm cm mm. Below shows the metric units based on powers of 10. x10* *x10 means that the metric unit is 10x as great as the unit to its right. ** 10 means that the metric unit is one-tenth (0. 10) as great as the units to its left. Converting between units of length in the metric system. There are 2 ways to convert units of length: by simply moving decimal point, by multiplying or dividing by 10. Page | 1: arrange the units from largest to smallest.