Answer:
1.319 × 10³ m/s
Explanation:
The formula for speed of sound is ;
v= f*λ where
v= speed of sound
f= frequency of sound= 3.705 kHz = 3705 Hz
λ= wavelength of sound = 35.6 cm = 0.356 m
Applying the formula ;
v= f*λ
v= 3705 * 0.356
v=1318.98 m/s
v= 1.319 × 10³ m/s