"When groups of figures are spelled out, the chance of an error in transmission is reduced to a minimum." I guess its easier for the receiving operator to dete

"When groups of figures are spelled out, the chance of an error in transmission is reduced to a minimum." I guess its easier for the receiving operator to detect the error in "One Thosand" compared to "100" when coming over in serial (Original message being "One Thousand" and "1000" respectively).