Well, darling, 254.34 rounded to the nearest hundredth is 254.34. You see, there's no need to change a thing when you're already sitting pretty on that hundredth spot. So sip your tea and enjoy that precision!
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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.
It is already to the nearest hundredth as 9.69
30.45
47.12
18.84
4.35 is the answer rounded to the nearest hundredth