Lolz, so I just got my discrete math test back.
the first Question was: Find the power set of {{1,3}, 2, 4}.
the answer is : {{}, {{1,3}}, {2}, {4}, {{1,3}, 2}, {{1,3}, 4}, {2, 4}, {{1,3}, 2, 4}}
I forgot what a power set was, so I just wrote 3. Got 2/10 points!?!? wooo!