Give a answer on why 0.25 x 0.4 only has one decimal place in the product for my notes

The product of 0.25 × 0.4 simplifies to 0.1, which only has one decimal place because, after multiplying the two numbers, the result is 0.100. However, trailing zeros after the decimal point do not change the value of the number, so 0.100 simplifies to 0.1. Thus, the final product only has one decimal place.

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### Related Questions:
1. What are trailing zeros, and why do they not affect the value of a number?
2. How do you determine the number of decimal places when multiplying decimals?
3. Can decimal multiplication always be simplified?
4. What are the rules for rounding when multiplying decimals?
5. How does multiplying decimals differ from adding or subtracting decimals?

### Tip:
When simplifying decimals, remember that zeros after the last non-zero digit can be removed without changing the number's value.

Explore the multiplication of decimals and understand why the product of 0.25 × 0.4 results in 0.1, which has only one decimal place. Learn about trailing zeros and how they affect decimal values.

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