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11 votes
11 votes
The wavelength of violet light in a spectrum is about 0.0000004 meters.

Which number best approximates this length as a power of 10?

User Jeromy
by
3.1k points

1 Answer

14 votes
14 votes

4x10^-7 this optional is correct

Explanation:

4÷1000000

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User Lambros
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