Finite Math Examples

$10 C^{9} \cdot (23 C^{21})$

Step 1

Rewrite using the commutative property of multiplication.

$10 \cdot 23 C^{9} C^{21}$

Step 2

Multiply $C^{9}$ by $C^{21}$ by adding the exponents.

Tap for more steps...

Step 2.1

Move $C^{21}$ .

$10 \cdot 23 (C^{21} C^{9})$

Step 2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$10 \cdot 23 C^{21 + 9}$

Step 2.3

Add $21$ and $9$ .

$10 \cdot 23 C^{30}$

Step 3

Multiply $10$ by $23$ .

$230 C^{30}$