$\"\"$

Precision of measurement describes how exact, reliable and repeatable unit used

to measure something.

The measurement is 80 inches. The units are in inches. $\"\"$

The measurement is precise to within $\"\"$ inches.

So, a measurement of 80 inches could be between ( $\"\"$ ) $\"\"$ inches and

( $\"\"$ ) $\"\"$ inches. $\"\"$

The measurement is precise to within $\"\"$ inches.

A measurement of 80 inches could be between $\"\"$ and $\"\"$ inches.