This topic is mainly about understanding the different instruments of measurements, the exact method of measurement and the standard units from which all the other units are derived. An example would be Kelvin for temperature and meter for length. We also learn to give our answers up to a certain number of significant figures as sometimes, too many digits are redundant and serve only to confuse us.
This topic is interesting but I do not personally feel that this subject is that important as it is somewhat like Mathematics. Furthermore, the story of the standard units is interesting but I do not see why we must really learn any of this since we will most probably get it in time.
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