You have 10 marbles. 4 of them are red and 6 of them are blue. How many different and unique ways can you sort these marbles and lay them out in a line?
For example: RRRRBBBBBB = 4 red first then 6 blue and is one way they can be sorted. BRRRRBBBBB = 1 blue, 4 red, and 5 blue is another way they can be sorted.Give you answer as a whole number.