Respuesta :

Hi. This is an oldie but a goodie. The next letter in the sequence is, "E". It is simply the first letter in a sequence of numbers. For example:

O = 1
T = 2
T = 3
F = 4
F = 5
S = 6
S = 7
E = 8
N = 9
T = 10

Hope this helps.

Take care,
Diana
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