Click Home
tabAnnotation
panelDimension
Style. Enter dimstyle at the
command prompt.
In the Dimension Style Manager, select
the style you want to change. Click Modify.
In the Modify Dimension Style dialog
box, Tolerances tab, under Tolerance Format, select the alignment
from the Vertical Position list.
To suppress zeros in primary or alternate
units, under Zero Suppression, select Leading to suppress leading
zeros. Select Trailing to suppress trailing zeros.