Question

How many ways can one rearrange the letters in the word CIRCUMFERENCE to form a string of 13 letter strings or words, sensible or not?

Answer 1

if the letters were all different it would be \(13!\) but they are not

Answer 2

you have 3 C's the number of ways to arrange those is \(3!=6\)
also 3 E''s, another \(3!=6\) ways

Answer 3

any other letters the same?

Answer 4

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