Basic Math Examples

$5^{9} \cdot 5^{- 2}$

Step 1

Multiply $5^{9}$ by $5^{- 2}$ by adding the exponents.

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Step 1.1

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

$5^{9 - 2}$

Step 1.2

Subtract $2$ from $9$ .

$5^{7}$

Step 2

Raise $5$ to the power of $7$ .

$78125$