Question
Use the set \( A=\{6,8\} \) to determine \( n(A) \) \( n(A)=\square \)
Ask by Martin Simpson. in the United States
Feb 21,2025
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Answer
\( n(A) = 2 \)
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The Deep Dive
The notation \( n(A) \) represents the number of elements in the set \( A \). In your case, the set \( A = \{6, 8\} \) contains two elements: 6 and 8. Therefore, the number of elements in set \( A \) is 2. So, \( n(A) = 2 \). Next time you run into a set, just count those unique numbers, and you've got your answer! Sets are all about the uniqueness, so no duplicates allowed!