Comment on Leaked Email Shows Elon Musk Demanding "Sub 10 Micron Accuracy​” Cybertruck Parts

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fubo@lemmy.world ⁨1⁩ ⁨year⁩ ago

My high-school chemistry teacher would dock a point for each extra digit past the calculation’s actual precision. We learned quickly not to overstate our sig figs.

An answer written as “3” means that the true value is somewhere between 2½ and 3½. If you write “3.19142” when what you actually know is “3”, you’re incorrectly excluding the vast majority of the possible true values.

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