Look it up on Coinmill.com or put in "USD to Peso" in google search. Right now it's approximately $3.90
As of 30th July, 2011, 50 NOK equals 9.22 US Dollars.
Złoty is the currency in Poland. The worth depends on what date is this bill. If it's from before 1995, with Karol Świerczewski on it, then it is worth nothing. It it's newer, with Kazimierz...
No francs are used any more since 2002. The French currency is now the Euro. (50 francs would be worth 7.5 euros)
About 7 Cents.