Eighty dollars and forty cents
8040
8040 without a decimal at the end (as in 8040.) has THREE significant figures.
You spell it like this: Forty Five dollars.....
You spell 34 dollars like thirty-four dollars.
The currency $35 is "thirty-five dollars."
dollars = dolares
Thirteen dollars is spelled as "thirteen dollars."
sixty eight dollars
Thirty-four dollars
five hundred dollars
Ninety-seven dollars.
Forty one dollars.