![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Precision of measurement describes how exact, reliable and repeatable unit used to
\measure something.
\\
The measurement is 22 millimeter. The units are in millimeter.![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
The measurement is precise to within 0.5 millimeter.
\So, a measurement of 22 millimeter could be between (22– 0.5 = 21.5) 22 .5 millimeter
\and (22 + 0.5 = 22.5) 22 .5 millimeter.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The measurement is precise to within 0.5 millimeter.
\A measurement of 22 millimeter could be between 21 .5 and 22 .5 millimeter.
\