A length measure can never be more than one half unit in error. why is this the case?can someone please answer this question.

Answer :

Answer:

This is because the degree of accuracy is half a unit each side of the unit of measure

[tex]\text{When an instrument measures in '1' s any value betwe}en\text{ 6}\frac{1}{2}\text{ and 7}\frac{1}{2\text{ }}\text{ is measured as 7}[/tex]

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