Solve the problem. Select the choice that indicates the correct answer and the correct number of significant figures for each measurement. You may use a calculator.
1013 + 473.3

Let's solve the problem:

We need to add the numbers \( 1013 \) and \( 473.3 \).

### Step 1: Perform the Addition
\[
1013 + 473.3 = 1486.3
\]

### Step 2: Determine the Significant Figures
- The number \( 1013 \) has **4 significant figures**.
- The number \( 473.3 \) has **4 significant figures**.

When adding or subtracting numbers, the result should be reported with the same number of decimal places as the number with the fewest decimal places. 

- \( 1013 \) has 0 decimal places.
- \( 473.3 \) has 1 decimal place.

Since the fewest number of decimal places is 0, the result should be rounded to 0 decimal places.

### Step 3: Round the Result
- \( 1486.3 \) rounded to 0 decimal places is \( 1486 \).

### Final Answer:
The correct answer is **1486**, and it should be reported with **4 significant figures**.

Would you like to ask anything further or need more details? Here are some related questions to consider:

1. What are the rules for determining significant figures in addition and subtraction?
2. How do significant figures differ between addition and multiplication?
3. Can you provide more examples of rounding results based on significant figures?
4. What are the exceptions to the significant figure rules in scientific calculations?
5. How do you handle significant figures when dealing with very large or small numbers (e.g., using scientific notation)?

**Tip:** Always pay attention to the number of decimal places in addition and subtraction problems; it governs how you round your final answer.

Solve the problem. Select the choice that indicates the correct answer and the correct number of significant figures for each measurement. You may use a calculator. 1013 + 473.3

Learn how to add the numbers 1013 and 473.3 while correctly applying the rules for significant figures. This problem covers key concepts such as addition, rounding, and the significant figures rule for addition. Suitable for students in Grades 8-10.

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