Question

Please help me .....​

Answer 1

Answer:

THIS IS THE CORRECT ANSWER YOU DON'T WORRY

Explanation:

The effect of this definition is that one metre is the length of the path travelled by light in vacuum during a time interval with duration of 1/299 792 458 of a second.

Answer 2

Explanation:

The effect of this definition is that one metre is the length of the path travelled by light in vacuum during a time interval with duration of 1/299 792 458 of a second.

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