104. 54+50. 6 times 9 equals 54. Ten times 5 equals 50.
5,000,000 is how you write 5 million
If the submarine descended 184.4 meters in 23.5 minutes, its rate of descent was ...
... (184.4 m)/(23.5 min) ≈ 7.847 m/min
The submarine descended about 7.85 meters in one minute.
