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08-05-2021
Mathematics

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A length is measured at 21 cm correct to two significant figures, what is the lower bound of the length and upper bound?

Respuesta :

08-05-2021

Answer:

20.5 and 21.5

Step-by-step explanation:

It says 2 significant figures so the least it can possibly be is 0.5 less and the most it can be is 0.5 more as if it was, lets say 20.4 it would round down to 20 not 21.

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