Evaluate (13!)/(11!)

$\frac{13!}{11!}$

Step 1

Rewrite $13!$ as $13 \cdot 12 \cdot 11!$ .

$\frac{13 \cdot 12 \cdot 11!}{11!}$

Step 2

Cancel the common factor of $11!$ .

Cancel the common factor.

$\frac{13 \cdot 12 \cdot 11!}{11!}$

Divide $13 \cdot 12$ by $1$ .

$13 \cdot 12$

$13 \cdot 12$

Step 3

Multiply $13$ by $12$ .

$156$

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