etats does not exist in spanish.
"estas" means these
"estás" means you are
It means What is the 50th state of the United States?
from/of The United States
He's from the USA
Cinquante
Etats-Unis has written: 'Pourquoi nous sommes en guerre'
Etats
Etats-Unis
Etats
Which is the fiftieth state of the United State, Brazil or Hawaii? Answer: Hawaii became a state in 1959. Brazil is an independent country in South America.
The Les Etats Generoux was the first meeting of the French estates of the realm since 1614. The meeting was held in 1789.
The word 'aux' actually replaces the words 'a les', so you would write 'aux Etats-Unis' :)
The US are "les Etats-Unis" or "les Etats-Unis d'Amérique" in French. This is a masculine (and plural) word.