 Okay, so since we have to do it, let's do it. So it says, what is the wavelength in meters now of an FM radio wave with frequency nu equals 102.5 megahertz? So it says, nu equals 102.5 megahertz, and we're looking for the wavelength. So we know what we know. We know that equation. What is the equation? C nu times the wavelength. And we also know what C is. What is that? 3.0 times 10 to the 8 meters per second, the speed of light from the vacuum. And we're looking for wavelength. So we're going to have to isolate the wavelength variable. So notice this, well, this says meters per second, right? And we're looking for meters. And this is a megahertz. What is that? It doesn't compute, right? So remember, hertz is another way of saying per second, okay? So of course, mega is a prefix that we're going to have to convert to hertz, okay? So let's go ahead and do that. First, okay? So you guys remember what the mega is? So 1 times 10 to the 6 hertz is 1 megahertz. But when you calculate that out, it should be 1.205 times 10 to the 8 hertz. So now we're just going to plug in chud because we've got that. But we've got to remember that hertz is per second. So if you want to, you can go ahead and do that already. So let's see what we do. 3.0 times 10 to the 8 meters per one second. And remember, we want to cancel out our seconds. So what are we going to have to do with this thing over? Okay, because this is just a conversion factor. It's saying this many cycles per second was in your spot. These were kind of difficult for me because nobody really ever showed me to do it this way. But I think it's the easiest way we do it. 2.9 to 7, right? Why is that? Because we started out with 4.6. Okay, so the 102.5, it's got a wavelength of about 3 meters. So any time you're listening to 102.5 or whatever, remember that. Any questions on this one? I don't even know. Is 102.5 even a station? I don't think so. Probably somewhere.