To calculate \( 102 \times 100 \), follow these steps:

1. **Write the multiplication in expanded form:**
   \[
   102 \times 100
   \]

2. **Break the multiplication into steps:**
   - \( 102 \times 100 \) is the same as multiplying 102 by 1 and then adding two zeros at the end, because multiplying by 100 is equivalent to multiplying by 10 twice.

3. **Perform the calculation:**
   \[
   102 \times 100 = 10200
   \]

So, \( 102 \times 100 = 10,200 \).

Would you like more details or have any questions?

Here are 5 related questions for you to explore:
1. What is \( 103 \times 100 \)?
2. What is \( 102 \times 50 \)?
3. What is \( 102 \times 200 \)?
4. How do you multiply numbers by powers of 10?
5. Can you explain how to estimate large multiplications?

**Tip:** When multiplying by powers of 10, simply add the corresponding number of zeros to the end of the number.

Learn how to multiply 102 by 100 with a detailed step-by-step solution. This problem covers multiplication and explains how multiplying by powers of 10 works, including adding zeros to the end of numbers. Suitable for students in Grades 3-5.

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