Which of the following is a metric measurement used in the SI system?

• A. inch
• B. yard
• C. meter
• D. foot

Answer: (C)

Verified step by step guidance

1. Understand that the International System of Units (SI) is the modern form of the metric system and is used worldwide for scientific measurements.
2. Recall that the SI system uses units based on powers of ten, making conversions straightforward and consistent.
3. Identify the options given: inch, yard, meter, and foot. Recognize that inch, yard, and foot are customary units primarily used in the United States and are not part of the SI system.
4. Know that the meter is the base unit of length in the SI system and is defined based on the distance light travels in a vacuum in a specific fraction of a second.
5. Conclude that among the options, the meter is the metric measurement used in the SI system.