The number of ways to choose 2 cards from 10 is given by the combination formula \(\binom{n}{k} = \frac{n!}{k!(n-k)!}\), where \(n\) is the total number of items to choose from, and \(k\) is the number of items to choose. Here, \(n = 10\) and \(k = 2\). Thus, the
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