To solve Part A, we need to calculate the square root of 11, denoted as $11^{1/2}$.

Calculation:

The square root of a number $x$ is written as $x^{1/2}$:

$11^{1/2} = \sqrt{11}$

Using a calculator, we find:

$\sqrt{11} \approx 3.317$

Final Answer:

$11^{1/2} \approx 3.317$

Would you like further details or have any questions?

Here are 5 related questions to explore:

1. How do you calculate the cube root of 11?
2. What is the square root of 15, rounded to three decimal places?
3. How would you find the fourth root of a number like 16?
4. What is the difference between square roots and cube roots?
5. How do you simplify expressions involving roots like $\sqrt{25} + \sqrt{4}$?

Tip: When calculating square or cube roots, try to memorize the roots of smaller numbers like 1 through 10 for quicker estimations.