PLEASE HELP
medical x-rays, with a wavelength of about 10^-10m, can penetrate completely through your skin.
Ultra violet rays, which cause sunburns 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.
Hint: scientific notation.

Question

PLEASE HELP
medical x-rays, with a wavelength of about 10^-10m, can penetrate completely through your skin. 
Ultra violet rays, which cause sunburns 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.
Hint: scientific notation.

aravindg · Answer

first did you get the wavelength of ultraviolet rays ?

anonymous · Answer

no i was going with 1000 x  10^-10 but thats not right.

aravindg · Answer

you are right !

anonymous · Answer

thats all i do?

aravindg · Answer

now just ensure you report answer in scientific notation

aravindg · Answer

ie in the form 

$$a \times 10^b$$

anonymous · Answer

|dw:1359548779460:dw|