There are thousands of coins in the US, but if you mean circulation coins, there is the penny, nickel, dime, quarter, half dollar, Native American dollar, and presidential dollar.

-- If the coins are dollar coins, all it takes is one of them. -- If the coins are pennies, it takes 100 of them. -- So a dollar can't be less than 1 or more than 100 coins.

Yes, there were many dollar coins with errors. One of the best known dollar error coin was the Sacagawea dollar coin and Washington quarter mule error. Only 12 of these coins were made and they can be up to $100,000.

Currently a half dollar has a greater circumference than circulating dollar coins. Older dollar coins will have a greater circumference than half dollars though.

I would suggest going to the bank. You can purchase these coins there. If they don't have any go to the nearest coin shop and see if they have what you want.

Assuming she is using current US coins, she has 4 pennies, 4 dimes, 1 quarter and 1 half dollar - 10 coins for a total of $1.19. She could, of course, also have any number of dollar coins as well.

There are 100 cents in the Australian Dollar. That can constitute - 20 x 5 cent coins. 10 x 10 cent coins. 5 x 20 cent coins. 2 x 50 cent coins. 1 x 1 Dollar coin. The 1 and 2 cent coins are no longer in circulation.

Answer Bills are like coins. Their value depends on how many of them were made in any given year. If you go to a coin shop with your Ten Dollar bill and it's in good shape, you never know how much you can get.

Aside from the one dollar coin, other coins have a face value of less than one dollar. In the past, there were larger value coins, but they haven't been used since the 1930s.

No, there have been many US dollar coins struck before and after 1972. However, the US Mint did make a dollar coin in 1972 (it was the second year for the Eisenhower Dollar)

All of the business strikes of presidential dollar coins and other modern one dollar coins are face value only. Unless it's a proof or uncirculated coin in it's original Mint packaging spend it.