Question

The frequency of a wave traveling through the air of a hot, dry desert is 1,200 hertz. Its wavelength is 0.300 meters. What is the speed of the wave

Answer 1

$speed=frequency*wavelength$

Given
$frequency=1200\ Hz$
and
$wavelength=0.300\ m$
we get:
$speed=1200\ Hz*0.300\ m=360\ m/s$