The expression you provided is $\sqrt{140}$, which represents the square root of 140. Let's simplify it as much as possible.

1. First, we can factor 140 into its prime factors: $140 = 2^2 \times 5 \times 7$

2. Now, apply the square root: $\sqrt{140} = \sqrt{2^2 \times 5 \times 7} = 2\sqrt{35}$

Thus, the simplified form of $\sqrt{140}$ is $2\sqrt{35}$.

Approximate Decimal Value:

If you need an approximate decimal value for $\sqrt{140}$, it is: $\sqrt{140} \approx 11.83$

Would you like more details or have any questions about this process?

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Here are some related questions for practice:

1. What is the simplified form of $\sqrt{180}$?
2. How do you simplify $\sqrt{50}$?
3. What is the decimal approximation of $\sqrt{75}$?
4. How do you express $\sqrt{48}$ in simplest radical form?
5. What are the prime factors of 140?

Tip: Always try to find the largest perfect square factor when simplifying square roots!