72 I think I hope its right I had to write all over my paper lol
4,000,000,39
there you go!
The 1.8 s is the time for the signal to reach the ocean floor and return to the ship so the time to reach ocean floor = 1.8 / 2 = 0.90 seconds.
depth of ocean = speed * time
= 1498 * 0.90 = 1348.2 m Answer
Answer:c
Explanation: well 79.95-20%=63.96
Radius = diameter/2
35/2 = 17.5
