According to ANSI Y14.5M-1994 (and 1982), Paragraph 2.4 on page 25
"All limits are absolute. Dimensional limits, regardless of the number of decimal places, are used as if they were continued with zeros.
Examples:
12.2 means 12.20...0
12.0 means 12.00...0
12.01 means 12.010...0
To...