



 
Hi David, The number of combinations in the 649 lottery is is 49 'choose' 6, , where and where m factorial is given by m! = m(m1)(m2)...(3)(2)1. = 13,983,816. This topic of permutations and combinations is normally covered in the secondary curriculum. We have a note on this topic in the Resource Room. It's called Thoughts on teaching Permutations, Combinations and the Binomial Theorem. Penny
 


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