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Define metre....

Define metre.

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**Step-by-Step Text Solution:** 1. **Understanding the Unit of Length**: The meter is a fundamental unit in the International System of Units (SI) and is used to measure length. 2. **Defining the Meter**: The meter is defined as the distance that light travels in a vacuum during a specific time interval. 3. **Time Interval Specification**: This specific time interval is precisely 1/299,792,458 of a second. ...
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