Respuesta :
					                   You know 100 cm is one meter. So you multiply 3.9 by 100 = 390
Plz mark mine the brainliest answer:) hope this helped
					                
					             Plz mark mine the brainliest answer:) hope this helped
					                   you carry the decimal point two times over to the right and you get 390 centimeters 
					                
					                
					             