A student conducts an experiment to measure the speed of sound in air at room temperature.
Which of their results is closest to the accepted value?
34 m/s34\text{ m/s}34 m/s
340 m/s340\text{ m/s}340 m/s
3400 m/s3400\text{ m/s}3400 m/s
34000 m/s34000\text{ m/s}34000 m/s