Mathematics, 13.12.2019 21:31 taylor5384

Acertain stock exchange designates each stock with a one-, two-, or three- letter code, where each letter is selected from the 26 letters of the alphabet. if the letters may be repeated and if the same letters used in a different order constitute a different code, how many different stocks is it possible to uniquely designate with these codes? a. 2951b. 8125c. 15600d. 16302e. 18278

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Acertain stock exchange designates each stock with a one-, two-, or three- letter code, where each l...