1.) Show all the possible arrangements of all the letters using systematic listing. Answer: 1. COVID 2.COVDI 3. CODVI Continue here: 4. 5. 2.) How many permutations are there taken all the letters at a time? Answer:
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Given that we have 5 letters (C, O, V, I, D), we can use the formula for permutations of n objects taken all at a time, which is n!. In this case, n = 5, so the number of permutations is 5!. Calculating 5!: 5! = 5 x 4 x 3 x 2 x 1 = 120 Show more…
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