The correct answer is letter B
Answer:
it looks good!
Step-by-step explanation:
Yes you’re doing them right :)))))))
²⁰¹²C₂₀₁₁ = (2012)! / [(2011)! (2012-2011)!]
²⁰¹²C₂₀₁₁ = (2012)! / [(2011)! (1)!]
Simplify 2012! / (2011)! = 2012
²⁰¹²C₂₀₁₁ = (2012)! / (1)! = 2012
Answer:
Step-by-step explanation: