FTCE Professional Education Practice Exam

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What decimal fraction represents one decimeter in meters?

0.1 meter
1 meter
10 meters
0.01 meter

The correct answer is: 0.1 meter

One decimeter is a fractional part of a meter, specifically defined as one-tenth of a meter. In the metric system, the prefixes represent powers of ten, where "deci-" signifies a factor of one-tenth (or 0.1). Therefore, to convert decimeters to meters, you divide the number of decimeters by 10. Since one decimeter is one-tenth of a meter, its decimal representation is 0.1 meter. This reflects the direct relationship in the metric system where 1 decimeter equals 0.1 meter, demonstrating the conversion effectively. Understanding the metric system's base-10 structure is key to grasping these kinds of conversions.