Answer:
17576 Combinations.
Step-by-step explanation:
There are 26 letters in the Current English Lexicon (Alphabet), If there are 3 letters in a person's initials, then our equation would turn out to be "26³ = 17576". So, There are 17576 different possible combinations.
6
15 is 9 more hence you subtract 9 from15
Hope this helps
0.13 0.13 3.1.3
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the answer is 0 you're welcome bye