1. i was doing 5-6 hours but ive toned that down to 3-4 nowadays because i was getting burnt out. but on the weekend about 7-8.
2. make notes for all of my subject but most in different ways. histories and english i need my notes or else im screwed. whereas physics and math i mainly use past...
the answer is apparently 3e. i would usually think to do the same thing but considering its a question 10 in trial hsc i think there is somewhere where we are going wrong
put it this way, my school dodgily put me up into advanced after the first assessment in hsc cos they were worried it would kill my atar. my physics teacher told me that doing advanced would easily give me an extra 5 points/percent/rank to my atar
a layer of plastic cuts out 15% of the light and lets through the remaining 85%
ii. how many layers of the plastic are required to cut out at least 90% of the light?
this seems easy but i think im just missing something