Multiple choice question — task. Mathematics State Board, Class 9.

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Which of the following is correct?

\(\{7\} \in \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\)
\(7 \in \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\)
\(7 \notin \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\)
\(\{7\} \nsubseteq \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}\)

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