Questions: Simplify -√400 (Enter ∅ if your answer is not a real number.)

Transcript text: Content attribution Question Simplify $-\sqrt{400}$ (Enter $\varnothing$ if your answer is not a real number.) Provide your answer below:

Solution

Solution Steps

To simplify $-\sqrt{400}$, we first need to find the square root of 400. Since 400 is a perfect square, its square root is a real number. After finding the square root, we apply the negative sign to the result.

Step 1: Calculate the Square Root

To simplify $-\sqrt{400}$, we first find the square root of 400: \[ \sqrt{400} = 20 \]

Step 2: Apply the Negative Sign

Next, we apply the negative sign to the result obtained from the square root: \[ -\sqrt{400} = -20 \]