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Audio Video Interleaved Video  |  2012-12-18  |  3.9 MB  |  500x400  |  1fps  |  2 minutes, 6 seconds
Transcription: In this example, we're being asked to convert 380 parts per million into percent. Now we're going to use the factor label method to do this. And remember what the factor label method says. It says you take the number you have, 380 parts per million, and you put it over 1 to make it a fraction. Then you multiply by the number 1. But you express the number 1 in such a way so as to make the units cancel the way you want them to. How do we express the number 1? We use the conversion relationship between parts per million and percent. That was given in the book. One percent is the same thing as 10, ...