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19 September, 12:29

How many different combinations of 6 letters can be formed if the first letter must be W or K? Use the Fundamental Counting Principle with three or more groups of items.

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  1. 19 September, 12:52
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    Find the number of choices available for each of the 6 spots in the word. Multiply these numbers together to find the number of possible words.

    The first letter: 2 choices

    The other five letters: 26 choices for each

    So, the number of different words is 2*26^5
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