Oh, isn't that a fun question! If we're talking about a billion dollars, that's a whole lot of money. You would need 20 billion nickels to make a billion dollars because there are 20 nickels in a dollar. Just imagine all the happy little coins shining and jingling together in a big pile!
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20 billion. (2 x 1010 )
1 billion dollars = 100 billion cents
100 billion cents/5 cents(nickel) = 20 billion nickels
*On the US short scale, a billion is a thousand million or 1 x 109.
One dollar has 20 nickels, so $4 billion contains 80 billion nickels.
There are 40 nickels in 2 dollars.
90 dollars. There are 20 nickels in a dollar so 1800 nickels = 1800/20 dollars
2000 nickels
500 dollars = 10,000 nickels