+5c2 (pronounced "five choose two") denotes the number of distinct ways to select a subset of two elements from a larger set of five unique elements. It is a fundamental concept in [Combinatorics](/wiki/Combinatorics) and is calculated using the [Binomial Coefficient](/wiki/Binomial_Coefficient) formula, yielding a value of 10.
+## See also
+- [Permutations](/wiki/Permutations)
+- [Probability](/wiki/Probability)
+- [Factorial](/wiki/Factorial)
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