What is one benefit of using SI units?

The greatest advantage of SI is that it has only one unit for each quantity (type of measurement). This means that it is never necessary to convert from one unit to another (within the system) and there are no conversion factors for students to memorize. For example, the one and only SI unit of length is the metre (m).

Explanation:

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i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.