trois cent
300
300% = 300/100
300 = three hundred.
300 = CCC
300% = 3.0
300 already is in numeric.
300*5021000 = 1506300000
300 as a decimal is simply 300.0.
To borrow 300 dollars is "emprunter trois cent dollars" in French.
300 in french would be Trois centsbut dont pronounce it as "Cents" as in pennies, pronounce it as "Sans" (french)
He has in French is "Il a..." Hope this helps :)
To write "50th" in French, you would write "50ème."