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The problem shows the calculation:

\[
\frac{2}{1.5 + 2.45} = 0.5063291139\ldots
\]

We need to round this value to two decimal places. 

Rounding \(0.5063291139\ldots\) to two decimal places gives:

\[
0.51
\]

### Answer: 
The answer, correct to 2 decimal places, is **0.51**.

Would you like more details or have any questions?

Here are some related questions:
1. How do you round numbers to different decimal places?
2. What are the rules for rounding numbers?
3. How can rounding affect the accuracy of calculations?
4. What are significant figures, and how are they different from decimal places?
5. Why is rounding important in real-world applications?

**Tip:** When rounding, if the digit after your target decimal place is 5 or greater, round up!

A student used a calculator to work out that 2 / (1.5 + 2.45) is 0.5063291139... Write this answer correct to 2 decimal places.

Learn how to round the result of 2 / (1.5 + 2.45), which is 0.5063291139, to two decimal places. This problem focuses on arithmetic operations, simplifying fractions, and applying rounding rules for decimals. Suitable for students in Grades 5-7.

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