Basic Math Examples

$9^{- 2} \cdot 9^{0} \cdot 9^{2}$

Step 1

Multiply $9^{- 2}$ by $9^{0}$ by adding the exponents.

Tap for more steps...

Step 1.1

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

$9^{- 2 + 0} \cdot 9^{2}$

Step 1.2

Add $- 2$ and $0$ .

$9^{- 2} \cdot 9^{2}$

Step 2

Multiply $9^{- 2}$ by $9^{2}$ by adding the exponents.

Tap for more steps...

Step 2.1

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

$9^{- 2 + 2}$

Step 2.2

Add $- 2$ and $2$ .

$9^{0}$

Step 3

Simplify $9^{0}$ .

$1$