Evaluate 9 square root of 125

$9 \sqrt{125}$

Step 1

Rewrite $125$ as $5^{2} \cdot 5$ .

Factor $25$ out of $125$ .

$9 \sqrt{25 (5)}$

Rewrite $25$ as $5^{2}$ .

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

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

Step 2

Pull terms out from under the radical.

$9 (5 \sqrt{5})$

Step 3

Multiply $5$ by $9$ .

$45 \sqrt{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$45 \sqrt{5}$

Decimal Form:

$100.62305898 \dots$

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