Answer:
for this to be right you would have to multiply 344 by 4 and its 1376
Step-by-step explanation:
this is just random stuff i came up with its not true
Answer:
read it
Step-by-step explanation:
The echo is twice the distance, out and back.
So it took 2.35 seconds to reach the wall.
344 m/sec*2.35 sec= 808.4 m.