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HELP I NEED THIS DONE ASAP The wavelength of violet light in a spectrum is about 0.0000004 meters. Which number best approximates this length as a power of 10? O A. 4x 10-6 O B. 4 x 10-7 O C. 4x 107 O
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35 votes
35 votes
HELP I NEED THIS DONE ASAP

The wavelength of violet light in a spectrum is about 0.0000004 meters. Which number best approximates this length as a power of 10? O A. 4x 10-6 O B. 4 x 10-7 O C. 4x 107 O D. -4x 107​

User Raudo
by
2.6k points

2 Answers

17 votes
17 votes

Answer

4 x 10^-7

hope this is it

User Leomeurer
by
2.8k points
11 votes
11 votes

Answer:

B

Explanation:

You need to move the decimal 7 places to the right

User Nerkn
by
3.1k points
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