A marching band is practicing. The band director sees the drum major hit a drum. How far away is the director if he hears the drumbeat in 0 point 4 0 seconds? The speed of sound is 330 meters per second

Use distance = speed × time. The sound travels at 330 meters per second for 0.40 seconds, so the distance is 330 × 0.40 = 132 meters. The director is 132 m away, which is choice A.

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