Question

The inverse variation equation shows the relationship between wavelength in meters, x, and frequency, y.

Answer 1

Answer:

A

Step-by-step explanation:

Answer 2

Answer:  A

$y=\dfrac{3*10^8}{x}\\\\if\ x=3*10^9\ then\\y=\dfrac{3*10^8}{3*10^9}=\dfrac{1}{10}=1*10^{-1}\ (m)$