# The percent precision of a measurement is the ratio of the device's precision to the measurement's magnitude

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## Question:

The percent precision of a measurement is the ratio of the device's precision to the measurement's magnitude as a percentage. Suppose the temperature changes by $18$

C and the precision of the thermometer is $0\mathrm{.}1$ degrees. Calculate the precision $($in percent$)$ for the temperature change of the water?

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