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The wavelength of violet light in a spectrum is about 0.0000004 meters. which number best approximates this length as a power of 10
A. 4 x 10^-7
B. 4 x 10^-6
C. -4 x 10^7
D. 4 x 10^7

1 Answer

2 votes

Answer:

Explanation:

answered
User Cherrylyn
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