Find the Number of Possibilities 12 choose 0

${}_{12}C_{0}$

Evaluate ${}_{12}C_{0}$ using the formula ${}_{n}C_{r} = \frac{n!}{r! (n - r)!}$ .

$\frac{12!}{0! (12 + 0)!}$

Add $12$ and $0$ .

$\frac{12!}{0! (12)!}$

Simplify $\frac{12!}{0! (12)!}$ .

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Cancel the common factor of $12!$ .

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Cancel the common factor.

$\frac{12!}{0! (12)!}$

Rewrite the expression.

$\frac{1}{0!}$

Expand $0!$ to $1$ .

$\frac{1}{1}$

Divide $1$ by $1$ .

$1$

Find the Number of Possibilities 12 choose 0

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