Answer:
399.80 atm
Step-by-step explanation:
Since there are 101.3 kPa per every 1 atm, you need to divide the given number by 101.3 to convert the pressure from kPa to atm.
1 atm = 101.3 kPa
40500. kPa 1 atm
--------------------- x -------------------- = 399.80 atm
101.3 kPa