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The question asks for the closest estimate to the length of a one-dollar bill, with options:

1. 150 mm  
2. 5 cm  
3. 15 mm

To solve this, we need to know that the actual length of a U.S. one-dollar bill is about **155.96 mm** or approximately **15.6 cm**.

The closest option to this is **150 mm**.

Would you like more details or further explanation?

Here are 5 related questions for further exploration:
1. What is the width of a one-dollar bill in millimeters?
2. How does the size of different currency bills compare around the world?
3. What is the significance of the precise measurements for paper currency?
4. How would you convert inches to millimeters for a one-dollar bill?
5. How are currency sizes standardized globally?

**Tip:** Always double-check the units (cm, mm, etc.) in measurement problems to avoid confusion.

Choose the estimate closest to the length of a one-dollar bill: 5 cm, 150 mm, or 15 mm.

Learn how to estimate the length of a one-dollar bill by comparing measurements in millimeters and centimeters. The closest estimate is 150 mm, based on the actual length of approximately 155.96 mm. Suitable for students in Grades 5-7.

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