^For #'s 1-3, the three people are correct. So are the seven.
For #4, I can't answer until I know how the measuring implements were calibrated, if all ten people were properly trained in the use of those instruments, and if everyone involved is using the same definition of 'meter'.
Boru
For #4, I can't answer until I know how the measuring implements were calibrated, if all ten people were properly trained in the use of those instruments, and if everyone involved is using the same definition of 'meter'.
Boru
‘I can’t be having with this.’ - Esmeralda Weatherwax