What is 2! (2 factorial)?
2 — 2 factorial (2!) equals 2. See the full expansion and step-by-step calculation.
Resposta
2
2! = 2 × 1 = 2
Calculate
2 × 1 = 2
Solucao Passo a Passo
1
2! means multiply all integers from 2 down to 1
2
Calculate: 2 × 1 = 2
3
Therefore, 2! = 2
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