Evaluate (9!)/(7!)

$\frac{9!}{7!}$

Step 1

Rewrite $9!$ as $9 \cdot 8 \cdot 7!$ .

$\frac{9 \cdot 8 \cdot 7!}{7!}$

Step 2

Cancel the common factor of $7!$ .

Cancel the common factor.

$\frac{9 \cdot 8 \cdot 7!}{7!}$

Divide $9 \cdot 8$ by $1$ .

$9 \cdot 8$

$9 \cdot 8$

Step 3

Multiply $9$ by $8$ .

$72$

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