Question

how many different 3 digit numbers can be formed using the digits 9,3,4,7 and 6? assume no number can be used more than once

Answer 1

57

Explanation:

976/974/973/967/964/963/947/946/943/937/936/934/796/794/793/769/764/763/749/746/743/739/736/734/697/694/693/679/674/673/649/647/643/639/637/634/497/496/493/479/476/473/439/437/436/397/396/394/379/376/374/369/367/364/349/347/346