The expression in the image is:

$5 \sqrt{2} \times 4$

To solve this:

1. Simplify the multiplication step by step: $5 \times 4 = 20$

2. Attach the square root of 2: $20 \sqrt{2}$

The simplified result is:

$20 \sqrt{2}$

Would you like further details on this solution, or do you have any questions?

Related Questions

1. How do you simplify expressions involving square roots and multiplication?
2. What is the approximate decimal value of $20 \sqrt{2}$?
3. Can this expression be further simplified algebraically?
4. How do square roots behave under multiplication?
5. What are some real-world applications of expressions like $20 \sqrt{2}$?

Tip

When working with square roots, remember that $\sqrt{a} \times \sqrt{b} = \sqrt{ab}$, which can help simplify more complex expressions.