83111712-86a7-4aa0-aeb3-c1935320b276 3 4 5 decimal
&[DATE] &[TIME] - &[FILENAME]
&[PAGENUM] / &[COUNT]

Using multiplicator in "Units" placeholder makes it to "glue" to preceeding number (no dot)

0.1 mW * 10 3 - ^ W * 0.1

Separator: Alt+0160 NbSp

  1 :

Using the separator in "Units" placeholder: "separator"*10^-3*'W - shows the dot before 10^-3 This is desirable result

0.1 mW *   10 3 - ^ * W * 0.1