SOLUTION: Using the letters from the word “PHYSICAL”, how many 3 - letter codes can be formed if repetition is allowed?

Question 1192091: Using the letters from the word “PHYSICAL”, how many 3 - letter codes can be formed if repetition is allowed?

Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

There are 8 different letters.

So,   8*8*8 = 512   three-letter codes can be made, if repeating is allowed.

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    - Combinatoric problems for entities other than permutations and combinations
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