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Mathematics 9 Online
OpenStudy (anonymous):

SCIENTIFIC NOTATION PROBLEM : a.Ultraviolet rays which cause sun burn by penetrating only the top level of skin, have a wavelength about 1000 times the wavelength of an X-ray. Find the wavelength of ultraviolet rays. Show your work. b. The wavelengths of visible lights are between 3.8 * 10 ^ -7m and 7.6 * `10 ^ -7m. are these wavelengths longer or shorter of those of ultraviolet rays? Explain.

OpenStudy (anonymous):

X-ray length = a Ultraviolet = 1000a

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