Find the number of arrangements taking all the letters of the word CONTACTans.1220126014001136
Question
Solution 1
The word "CONTACT" has 7 letters in total.
Step 1: Count the number of each unique letter in the word.
- C: 2
- O: 1
- N: 1
- T: 2
- A: 1
Step 2: Use the formula for permutations of a multiset: n! / (r1! * r2! * ... * rk!)
- n is the total number of items,
- r1, r2, ..., rk are the counts of e Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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