Five hours with no breaks isn't as uncommon as you'd think. Personally I'd prefer fewer/shorter breaks since they generally increase my temptation to go home.
This.
Even though you already did your HSC
Some paths include doing Commerce(finance or accounting), Commerce//Engineering/maths/stats/computer sci, Commerce/Law.
Judging by your subject selection, your current mathematics is definitely not up to scratch to do any of the latter.
Even...
Don't do law but know many people who do; we are not admission officers so take this with a grain of salt
1. Yes, with the exception of GO8 (especially USYD)
2. Possibly, if there are many vacancies
3. It will fluctuate, but not significantly as it will depend on availability and...
Quite handy in certain situations only e.g. finding the complex roots of a quadratic equation, won't give you much of an advantage but still comes useful sometimes.
You don't need formulas for these calculations, you can't work out a titration question via simply plug and chug, same goes with electro-chemistry. You need to learn the general methodology of how to approach these questions and they will become much simpler for you.
For ppm it's usually...
Also, depending on which uni you go, you may end doing just as much maths as an EE major if you do ME since they'll generally take the same math courses in first and second year.
What type of math do you not like?
Vector calculus is also frequently found in fluid mechanics. There are ALOT of...