What you miss is that people throw out a bunch of number that use different base numbers and so on. The reality is very complex. This is a long video series at

What you miss is that people throw out a bunch of number that use different base numbers and so on. The reality is very complex. This is a long video series attempting to explain everything from Battery Day: https://www.youtube.com/playlist?list=PLyvdbTy3v1d5luwdDGPFPab9WWPmMW_cJ https://www.youtube.com/playlist?list=PLyvdbTy3v1d5luwdDGPFP... You can watch only the last video if you want a more simple overview.