The first sentence is true
There are several information's of immense importance already given in the question. Based on those information's the answer can be easily deduced.
Initial number of bacteria in the culture = 1000
Number of bacteria after t hours = 1000 (2)^t
Then
1000 (2)^t = 50000
2 ^t = 50
t = 5.6
I hope the procedure is clear enough for you to understand.
Answer:
Depends on temperature
Explanation:
If the volume of a container is increased, so does the temperature.
If the volume of a container is decreased, so does the temperature.