₁₀C₄ = \(\frac{10!}{(10 - 4)!4!}\)
₁₀C₄ = \(\frac{10!}{6!4!}\)
₁₀C₄ = \(\frac{10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1}{6 * 5 * 4 * 3 * 2 * 1 * 4 * 3 * 2 * 1}\)
₁₀C₄ = \(\frac{10 * 9 * 8 * 7}{4 * 3 * 2 * 1}\)
₁₀C₄ = \(\frac{90 * 56}{12 * 2}\)
₁₀C₄ = \(\frac{5040}{24}\)
₁₀C₄ = 210
