Answer:
18/5 or 3.6
Step-by-step explanation:
3.6=36/10=18/5
Answer
Q
Step-by-step explanation:
Because the Q is on top of the 5 It is the absolute value
The answer is 3 your welcome
At sea level, the pressure is 1013, that's when the altitude is at 0, sea level, let's see

so, the inital amount is 1013, when t = 0,

now, to check the atmospheric pressure at 4000, simply set t = 4000, to get A.