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Tatiana [17]
2 years ago
5

I need help on this math it’s 7th grade

Mathematics
2 answers:
den301095 [7]2 years ago
8 0

Answer:

The wavelength of red light is 2 times longer than the wavelength of violet light.

Step-by-step explanation:

8 times 10^-7 written in standard form is 0.0000008

4 times 10^-7 written in standard form is 0.0000004

divide both of them:

=2

siniylev [52]2 years ago
7 0

Answer:

4 times as long

Step-by-step explanation:

If im wrong, delete this.

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