In the sequence you provided: 8, 9, 10, 11, 12, the number 10 appears only once. Each number in the sequence is distinct and listed in order without repetition. Therefore, your assessment is correct—10 appears only once in this sequence. Your friend may have made an error in their understanding or observation of the sequence.
I'm studying number patterns for an upcoming exam and I came across a sequence 8 9 10 11 12. A friend claimed that the number 10 appears twice in this sequence, but I think there's been a mistake. Can you find an explanation or answer confirming whether 10 appears once or twice in this sequence.
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