Are there 14 outcomes? Because the coin is tossed 7 times and you get 2 outcomes (head or tail) for each one.
2026-04-28 14:22:30.1777386150
A coin is tossed 7 times and results recorded. How many total possible outcomes are there?
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It looks like you added seven copies of the number $2$ together to get $14$,
but you need to multiply seven copies of the number $2$ together, by the multiplication principle,
so there are $2^7=128$ outcomes,
presuming order matters (e.g., HHHHHTT is different from TTHHHHH).
(If order does not matter, then you could get from $0$ to $7$ heads, so there are $8$ outcomes,
as pointed out in a comment by Ross Millikan.)