Respuesta :

100 centimeters is equal a meter so you can say 345 centimetres is the same as 3,45 metres

i hope i helped you somehow
joanna201
Hi there!

You're a bit vague with "to say" in the question. "Cm" is a shortening of the word itself, perhaps that's one way of writing it: 345 cm. Or, if conversion is required, then you'd have to perform the required Math transformations :) 

Hope this helps!