To Set a Dimension Style for a Numerical Expression in a Leader Note
In the drawing area, double-click the leader note to edit.
In the Note Symbol dialog box, set Preview display mode to Plain text.
In the multi-line text editor, select a numerical expression (including the angle brackets) and right-click.
From the right-click menu select Dim Style Apply Dim Style to apply the style displayed at the second row, or select Dim Style Other to apply a different dimension style.