@_thegeoff where do the expected values come from (that they are 1eFOO out from)?
@robryk Voltage readings from various electrochemical combos. In this case, simply a student unfamiliar with prefixes, so if I ask what a reading of 300mV is in Volts they may say 300,000 , or 30. First introduction to prefix stuff and (I'm a technician, not a teacher), in an informal setting.
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@_thegeoff Ah, I see -- you didn't mean that there's an expected "round" value but that there's a expected order of magnitude.
