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The Rotokas of Papua New Guinea have twelve letters in their alphabet. The letters are: A, E, G, I, K, O, P, R, S, T, U, and V. Suppose license plates of five letters utilize only the letters in the Rotoka alphabet. How many license plates of five letters are possible that begin with either G or K?

 Jan 6, 2021
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The first letter has 2 choices and the last 4 have 12 each so there are 2*12^4 or 41472 ways.

:D

 Jan 6, 2021

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