Academic Settings / Marking Settings / General Settings / Marking / Marks Submission Calculation / Academic Decimals Setting
This setting allows you to define the default decimals for Academic Related Values (e.g., Term Marks, Exam Marks, Unit Marks etc.).
An Admin may override this default value by defining other decimals in the Marking scenario, Unit or Assessment type level.
Setting -> 4
There are four decimals
Setting -> 1
There is only one decimal