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Why are physical measurements never exact?​

Sagot :

Answer:

Unfortunately, measurement is never 100% precise or accurate, so the true value measure of something is never exactly known. This uncertainty is a result of error. Error is a concept that is naturally associated with measuring because measurement is always a comparison to a standard.

Explanation:

All measurements have a degree of uncertainty regardless of precision and accuracy. This is caused by two factors, the limitation of the measuring instrument (systematic error) and the skill of the experimenter making the measurements (random error).