Respuesta :

12 in = 30.(48) cm this is your Answer
The answer is:  " 30.48 cm " .
_________________________________________________________
Explanation:
_________________________________________________________
Using "dimensional analysis" :
_________________________________________________________

12 in * (2.54 cm / 1 in.) =  (12 * 2.54 cm) = 30.48 cm ; which is already rounded                                                                             to the nearest hundredth.
_________________________________________________________