Question

11. Problems on Measurement
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What is mean of units metre
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Answer 1

Step-by-step explanation:

Metre (m), also spelled meter, in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems.

Since 1983, the metre has been internationally defined as the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second.

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