1. The problem is to simplify the expression $\sqrt{49}$.\n\n2. Recall that the square root of a number $x$ is a value that, when multiplied by itself, gives $x$.\n\n3. Since $49 = 7 \times 7$, we have $\sqrt{49} = 7$.\n\n4. Therefore, the simplified value of $\sqrt{49}$ is $7$.