Science questions not covered in Chem 14A and 14B. Try to limit questions to chemistry (inorganic chemistry, physical chemistry, organic chemistry, biophysical chemistry, biochemistry, materials science, environmental chemistry).
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I am still a bit confused on significant figures, even after reading the explanation in the course reader. Are we supposed to only round our final answer? Are we not supposed to round at every step of a calculation before the final answer, because the solutions in the solutions manual have the values in every step of a calculation rounded.
I usually try to not round until the final answer, so throughout my calculations, I leave all the numbers in, even if it is long. It may be a bit meticulous, but by doing this, I've never had problems with sig figs on my quizzes and midterm. I think it's usually safe though to leave 4 numbers in after the decimal if you don't want to write everything out.
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