3 ms·Because MCMXCVII is actually 1997. MCMDCVII is just wrong. D is 500, X is ten.by bena 8y agoBecause MCMXCVII is actually 1997. MCMDCVII is just wrong. D is 500, X is ten.Reisen 8y agoKind of a nice proof of his point! We're not used to the numbers, people would be far less likely to make the mistake with 1997.jacobolus 8y agoYes that was a typo.