Where must a building's no-smoking signage be posted? Calculator Help: go.prometric.com/chat v. 1.1. 100228-20240518.3-u Exit Progress 2496 Finish Section Candidate: MUKHTAR Usman S Within 10 ft. (3 m) of all building entrances B Within 10 ft. (3 m) of the main building entrance(s) Within 25 ft. (8 m) of all building entrances Within 25 ft. (8 m) of the main building entrance(s)