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In engineering, the precision of a quantity is implicitly told in the

number of digits presented. In the number 254.34, the precision

is of six digits.

If by one hundredth it is meant 1/100 of the unit then the number

in question is already given to the nearest hundredth. No more

rounding is necessary.

If the rounding is going to be down to the nearest hundred, then the number

is written as 3 x 10^2. This means the quantity has dropped down to a one order

magnitude level. Precision of the number is just of one digit.

RafaelRZ :The answer provided by' Ericbames' is correct.

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8y ago

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