How many combinations of 10 numbers can go into 40 numbers irrespective of order?

This is the combination of 40 things taken 10 at a time :


40 C 10 = 40! / (10!30!)= 847,660,528





Combinations do not consider order or arrangement (i.e. a,b as against b,a). When order is considered we take the permutation instead.How many combinations of 10 numbers can go into 40 numbers irrespective of order?
Not sure, try 40!/10!How many combinations of 10 numbers can go into 40 numbers irrespective of order?
What do you mean by ';go into?'; Surely not long division?
i have to go
847660528 if order doesn't matter


3075990524006400 if orde does matter