Il numero 80, ottanta in Italiano, in Inglese si dice eighty.
Il numero ordinale 80° in inglese si dice eightieth.
71: seventy-one
72: seventy-two
73: seventy-three
74: seventy-four
75: seventy-five
76: seventy-six
77: seventy-seven
78: seventy-eight
79: seventy-nine
81: eighty-one
82: eighty-two
83: eighty-three
84: eighty-four
85: eighty-five
86: eighty-six
87: eighty-seven
88: eighty-eight
89: eighty-nine