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f=c/wavelength. Please help, not sure how to calculate f. c= 3.00 x 10^8 m/s wavelength = 268nm

Physics
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plug in the values you have in the formula..
but i get a giant number, and not sure what I do after that.. i need to figure out f=____hz
f=3.00x(10^8)/268nm

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Other answers:

I feel like I am missing a step or something.
you did not concert the wavelength which is on nanometers into meters..
can you do that or should i help with that??
2.68 x 10^7 ?
10^-7?
no..... nano = 1* 10^-9
does that help??
im a little confused.
@boomerang285 are you there?
where??
I really don't understand this.
I don't get how to plug in the numbers, when I have to change them as well. 268 nm changes to meters right? is it not 268nm= 2.68 x 10^-7m?
to convert the wavelength from nanometers to meters you need to multiply by 10^-9
nano in its number state is 10^-9.....so nm=10^-9m
ok
no since nano is 10^-9, it is supposed to be 2.68 x 10^-9m
oh ok.... makes sense, so then the equation (f=c/wavelength) has those values in it?
yes....so what do you get after you plug in the numbers??
this is the tricky part for me.. I dont know how to correctly work it out
it looks like this though right? 3.00 x 10^8 / 2.68 x 10^-9
yes...
ok
80.4? probably way off...
input what you have on your calculator...
that is not what i got..
0.1119402985
http://www.wolframalpha.com/input/?i=%283+x+10%5E-8%29%2F%282.68+x+10%5E-9%29
does that help??
yes, i just didnt have the negative for the 10^-8
oh okay...you have to be careful next time.
do you get it now??
yes, so obviously I don't put in all the numbers.. so f = 11.15?
yes...
thank you!
yw!

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