Answer
From $73.15$ to $73.25$
Work Step by Step
The measurement is given to the nearest $0.1$ millimeter, so the error is $\pm0.05\text{ mm}$. Therefore, to find the range of values that the measurement represents, we must both subtract and add $0.05$ to the given value. $$73.2+0.05=73.25$$$$73.2-0.05=73.15$$ Therefore the range of values is from $73.15$ to $73.25$
