Respuesta :
Tenth is the first position after the decimal. Look at the number past the tenth position, if it is 5 or more you round the tenth position up, otherwise leave it as is.
8.194
Since the number after the 1 is greater the 5, round the 1 to a 2.
8.2
8.194
Since the number after the 1 is greater the 5, round the 1 to a 2.
8.2