I think it would be preferable in most cases to write 1880's. I would not spell it out.
No, "sign off" is typically written as two separate words with no hyphen. It is used in informal and formal communication to indicate the end of a message or communication.
Some words that end with "teen" include thirteen, fourteen, fifteen, sixteen, seventeen, and eighteen.
the word in between is two words
Intervening words are the words between any twochosen words in a text.For example, the intervening words between "words" and "chosen" above are between any two.
There are A words and EI words that include: able ace agency, agent aim ale alien amen anal ape apex asexual asymmetric atypical azoic eight, eighteen, eighty
yes
eighteen fortieths
Eighteen.
Eighteen hundredths.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern EI-H----. That is, eight letter words with 1st letter E and 2nd letter I and 4th letter H. In alphabetical order, they are: eighteen eighthly eighties eightvos
eighteen and one one-hundredth Eighteen point zero one.
Two and eighteen hundredths.
Eighteen and nine tenths.
Eighteen thousand.
Eighteen thousandths.
It is eighteen hundredths.
eighteen thousandths