Find the Cardinality A=(4,6,8,9)

Problem

A={4,6,8,9}

Solution

1. Identify the set A and its elements. The set is given as A={4,6,8,9}

2. Count the number of distinct elements contained within the set. The elements are 4 6 8 and 9

3. Determine the cardinality, which is denoted as n(A) or |A| representing the total count of elements in the set.

Final Answer

|A|=4

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