There are 1,663,200 different orderings of the letters of millimicron containing the letters cr next to each other in order and the letters next to each other in order.
Total no. of letters = 11
Millimicron, dissecting will give us the following:
Number of m = 2
Number of i = 3
Number of l = 2
Number of c = 1
Number of n =1
Number of r = 1
Number of o = 1
o compute this by using permutation
total no. of ways to arrange = 11! ÷ [ 2! × 3! × 2! × 1! × 1! × 1! × 1!]
= 39,916,800 ÷ 24
= 1,663,200 is the answer
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