This math topic focuses on calculating the number of ways to arrange words with repeated letters using factorial notations. Specifically, it explores permutations of words like 'SASSY', 'TOTEM', 'BUBBY', 'GRASS', 'FOOLS', 'SPILL', and 'APPLE', taking into account the repetitions of certain letters. This requires understanding factorials and applying permutations formulas to account for repeated elements. The problems require expressing the arrangements in terms of factorials and interpreting LaTex expressions related to these calculations.
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How many ways can these letter tiles be ordered to spell 'BUBBY'? Show as a factorial.