This math topic focuses on the foundational concepts of probability and counting, specifically in determining the number of distinct ways to order four letters without repetition. Each problem presents a set of letter tiles and asks the learner to calculate the various possible arrangements. The answers are formatted in multiple-choice style, emphasizing process over simple recall and helping to elucidate the concept of permutations in an engaging and accessible manner.
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How many distinct ways can these letter tiles be ordered?