Which answer shows these decimals written in order from greatest to least?   76.493   79.2    76.81        A. 79.2 > 76.493 > 76.81   B. 76.81 > 76.493 > 79.2   C. 79.2 > 76.81 > 76.493   D. 76.493 > 79.2 > 76.81