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19,275,223,968,000
If the numbers and letters can be repeated then there are 45,697,600 possible outcomes. If the letters and numbers can not be repeated there are 32,292,000 possible outcomes.
six eight five
Eleven states have exactly eight letters in their names.
Without allowing repeated letters there are 38 possible words:GEEGHEEGLEELEGEREGERGREEVERGEHEELHELVEHEREEELLEELEERREELELVERLEVERREVELEREREEEVERVEEREVEVEEGELLEGERGREGVEGHEEHHERLLEHRHERELLEVERREREV
Ther are 6 letters in the word letter two of which are repeated which gives a total of four different letters.
There are 3 letters: B, A, and N. The A is repeated twice more and the N once more.
8^5=32,768 if letters can repeat 2,880 if letters can not be repeated.
4 strings
Every bit can either be a 0 or 1. So to find the amount of bit strings of length either, you do 2length to find the amount of bit strings there are of a given length.
-3
There are 8 letters with no repeated letters and you are working out the number of combintaions of all 8 letters with respect to order so the answer is 8P8=8!=40320