I believe it would be the second option....
Answer:
A rational number is a number that can be express as the ratio of two integers.
Step-by-step explanation:
Answer:
5 minutes
Step-by-step explanation:
the liters is at zero at the 5 minute mark
Answer:
3.93 (approx.)
Step-by-step explanation:
3 ^ x + 6 = 3 ^ 4 can be rewritten as 3 ^ x = 3 ^ 4 - 6, or
3^x = 81 - 6 = 75.
Then 3^x = 75, or
x*ln 3 = ln 75
Solving for x:
x = (ln 75) / (ln 3) = 3.93 (approx.)