Answer:
Step-by-step explanation:
The formula for calculating speed of a wave is expressed as
v = fλ
where
v is the speed
f is the frequency
λ is the wavelength
From the information given,
λ = 1.3
f = 265
Thus,
v = 265 x 1.3
v = 344.5 m/s
The speed of the wave is 344.5 m/s