Unit Conversion & Significant Figures: Crash Course Chemistry

The video explores the concept of units, highlighting their arbitrary nature and significance in science. It discusses the International Prototype Kilogram (IPK) and the historical context of unit development. The video explains the difference between base and derived units, emphasizing the importance of units in scientific calculations. An example of converting miles per hour to light-years per second is provided. The video also distinguishes between exact and measured numbers, explaining the role of significant figures in maintaining precision in calculations.

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