$\"\"$

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

measure something.

The measurement is $\"\"$ ft. The units are in ft. $\"\"$

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

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

$\"\"$ ft and ( $\"\"$ ) $\"\"$ ft. $\"\"$

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

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