No.
50, 20, 20, 5, 2, 2 will make 99 cents in the Euro zone.
Four current American coins
One way of doing this is with 19 ten-cent coins and 10 one-cent coins.
25 cent and 10 cent and 1 cent
Just one, a dime.
Cent cent cent cent cent nickel nickel nickel nickel ....,.., not possible
Three. A 20 cent, 10 cent and 5 cent coin.
Using standard American coins (1, 5, 10, 25 cents), the fewest number of coins to make $0.13 would be four -- one dime and three pennies. This number would be different in countries that use different denomination coins, such as the 2-cent piece.
Two coins
Four current American coins
Three
11
One 50-cent coin, two 10-cent coins, and two 1-cent coins.
6
11
Simple answer: 98 coins of 1 cent each.
28(10 cents) will make $2.80
One way of doing this is with 19 ten-cent coins and 10 one-cent coins.