These are the questions
just the final answers
All of them are correct except:
* 34.42 part B, and it says: Not quite. Check through your calculations; you may have made a rounding error or used the wrong number of significant figures.
*34.42 part C: wrong
*34.42 part D: wrong
these are the answers that I tried for part C but all of them are wrong
and those are the answers for part D that I tried but also all of them are wrong
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