If I plan to go on with my current choices in mind for the HSC;
Ext. 2 English
Ext. 2 Maths
Physics
Legal Studies
But, I choose to do Ext. 1 Mathematics instead of Ext. 2, how is my UAI calculated then if the worst UAI contributor is Physics??
Ext. 2 English = 4units
Ext. 1 Maths = 3units...