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home / study / math / algebra / questions and answers / recall a ternary sequence is a sequence of 0s, … Question: Recall a ternary sequence is a sequence of 0s, 1s,… Recall a ternary sequence is a sequence of 0s, 1s, and 2s. (a) How many 15-digit ternary sequences are possible with 6 0s, 5 1s, and 4 2s? (b) Repeat (a) with the requirement that the first 0 precedes the first 1. For example, 2020100110011 is a valid sequence. (c) Repeat (a) with the requirement that the first 0 precedes the first 1, which precedes the first 2. For example, 0001020111210 is a valid sequence but 0002100011121 is not.

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