Answer the following questions about about the arrangements of MILLIMICRON.
1. How many distinguishable ways can the letters of the word MILLIMICRON be arranged in order?
2. How many distinguishable orderings of the letters of MILLIMICRON begin with M and end with N?
3. How many distinguishable orderings of the letters of MILLIMICRON contain the letters CR next to each other in order and also the letters ON next to each other in order?
