Haha, you guys act like getting a 4.0 is no big deal. I'm glad you are all so talented. (
Never got a 4.0 a single year of college and yet, somehow, I am accepted).
OP, some people tend to find chemistry hard if they've never had it before. Our UG chem I class had ~60% average on all tests. I understand that this sort of average is not TOO uncommon.
If you've never had pre-calc topics before, it may be hard, too -- however, I felt that many of the pre-calc topics had been covered in high school for me. So pre-calc also depends a bit on your background. I've definitely had friends who have struggled with pre-calc (because they had never seen the material) and the fact that you haven't had pre-calc in high school tells me that
perhaps you may not have gone to a high school that was particularly rigorous. (I believe pre-calc is standard in most high schools).
As for the other classes, if you can read at a decent pace and write well (and/or go to the writing center to get help) you should be ok. But of course, it depends on how hard the teacher is.
Just know that each of your classes will require different skills and techniques to succeed. Whether or not you succeed depends entirely on your abilities, your study techniques, and the difficulty of the classes.
Good luck
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