How many 3 digit numbers have different digits in descending order (such as 732 or 960)? Any help is appreciated! Thanks!
Follow Math Help Forum on Facebook and Google+
Originally Posted by live_laugh_luv27 How many 3 digit numbers have different digits in descending order (such as 732 or 960)? HINT: Any selection of three digts can be put into descending order. How many ways can one choose three different digits?
View Tag Cloud