Strictly speaking, Vietnamese Dong is not a valid currency in the United States, so it is useless.
However, if the question is what the conversion rate is from 20,000 VND into USD, 20,000 VND is roughly $0.89 USD, less than a dollar.
20,000.00
5 dollars\
How much is 1 Mexican bill worth in America 8 cents
How much is a Korean hundred dollar bill worth in America
Its worth 5 dollars, or if your anal about it $4.83
$2
Bout tree fiddy
pretty much nothing in america
There is no such thing as an Irish four dollar bill, so it is not worth anything.
$350.
It is worth 100$ Only in America it might be different somewhere else
A 100 dollar Chinese bill (sic) will be worth $100 in America. A Chinese 100-yuan note in America will be worth about $12.