2. The minute-hand of a wall-clock is 10-5 cm long. How far does its tip travel in 24 hours? 
            Mathématiques
            
               
               
            
            
               
               
             
            bigsmartade
         
         
         
                Question
            
            2. The minute-hand of a wall-clock is 10-5 cm long. How far does its tip travel in 24 hours?