Find the number of arrangements taking all the letters of the word CONTACTans.
Question
Solution 1
The word "CONTACT" has 7 letters in total. However, the letter "T" is repeated twice.
The number of arrangements of n items taken all at a time is given by n!. However, when there are repeated items, we need to adjust this to account for the fact that swapping the repeated items doesn't create a n Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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