How many 11 letter strings can be formed with the letters D, E, F, and G. If each letter can be used more than once?
Number of letter options = 4
Each letter can be used more than once
Therefore, number of 11 letter strings that can be formed = 411
= 4,194,304
How many 11 letter strings can be formed with the letters D, E, F, and G....
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