Final answer:
The number of ways to form 3-letter permutations from the first 5 letters of the alphabet is 60. Factorial notation and the concept of combinations vs. permutations play crucial roles in solving this type of problem.
Explanation:
Permutation without repeats: The number of ways to form 3-letter permutations from the first 5 letters of the alphabet can be calculated using the equation 5P3 which is equal to 60.
Factorial notation: Another way to calculate this is through factorial notation, where 5!/(5-3)! yields the same result of 60.
Combinations vs. Permutations: Understanding the difference between combinations and permutations is crucial in solving such problems.
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