As a college chem professor, the reason for this is nearly always cheating.
“Hmm, you got the right answer with the wrong method, and your friend that you sit next to every day used the right method and got the same exact answer as you, down to the rounding? Haha, what are the odds??!?”
As a college chem professor, the reason for this is nearly always cheating.
“Hmm, you got the right answer with the wrong method, and your friend that you sit next to every day used the right method and got the same exact answer as you, down to the rounding? Haha, what are the odds??!?”
Zero. The odds are zero (within sig figs).