Pre-Algebra Examples

$- 4 \sqrt{10000}$

Step 1

Rewrite $10000$ as $100^{2}$ .

$- 4 \sqrt{100^{2}}$

Step 2

Multiply.

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Step 2.1

Pull terms out from under the radical, assuming positive real numbers.

$- 4 \cdot 100$

Step 2.2

Multiply $- 4$ by $100$ .

$- 400$