Perhaps right around the Canada/US border but otherwise probably not. US stores generally do not accept any foreign currencies.
Not in the US. Some countries such as Zimbabwe that have their own money called dollars have issued notes of that size, but only because their dollars are worth much less than US dollars.
Currently, 50 Afghani dollars are worth $0.89 cents. The Afghani dollar is the currency of Afghanistan. The US dollar is used by many countries in the world.
In the US, when it is obviously refering to US currency, it is written simply $1000. When there is any possibility that it is in another countries dollars, it is usually $1000 US and I have seen financial documents written elsewhere in which it is written as 1000 USD (apparently their keyboard does not have a "$")
7 billion pounds(about 11 billion US dollars), however it will raise to 15 billion pounds(24 billion US dollars) by 2015
yes
U S dollars
Yes, definitely
Us currency has a stable backing is unlikely to suddenly lose its value and is acceptable to nearly any one that wants to trade.
Some retailers accept US dollars though not all.
not many refuse usd
Some small businesses accept dollars, but it is better to convert your dollars to Hungarian Forints (in an airport, train station, or bank, for instance).
No, dollars are not an accepted payment currency. Some tourist companies might accept US dollars as providing you with an additional service. Banks, Exchange offices and ATM's are widely spread, so there is no urgency to accept dollars. Nowadays, everybody with bank cards or credit cards can easily draw AED, Arab Emirates Dirhams from ATM's.
To exchange Canadian dollars to US dollars, log on to CoinMill, where you can convert your Canadian dollars to US and many more countries you would like to exchange.
Yes, most places will accept them and give you change in Vietnamese Dong
No. However, there is a black market trade in dollars in many foreign countries.
There are three countries in north America. Canada, United States, and Mexico. The US uses dollars. The other two countries use different currency.