Twelve or maybe seven. Or rhinoceros.
The plural of ninteen-nintey is ninteen-ninties (1990s) As in "the ninteen-ninties had a lot of pop groups"
two thousand and twenty.... if you are talking about the numbertwenty twenty if you are talking about the yearIf you disagree heres a example of why it is twenty ten ( year )eg. do you think people called it one thousand nine hundred ninedy eight when it was 1998, no they called it ninteen nindy eight. So when the year is over 2010 people will be saying twenty ten, twenty eleven and so one
Nineteen is correct.
19,000,000
The ninteen fifities, or fifties.
No, common noun.
Nineteen
Ninteen
Talkies, as in movies.
nineteen hundredths
It was a Wednesday.
Ninteen-twentieths of a centimetre.