The take-home message is clear. In general, it is meaningless to quote the value of a measured length without stating the scale of the resolution used to make it. In principle, it is as meaningless as saying that a length is 543, 27, or 1.289176 without giving the units it’s measured in. Just as we need to know if it is in miles, centimeters, or angstroms, we also need to know the resolution that was used.
