Answer:
100.0 kPa equals 0.9872 atm.
Step-by-step explanation:
Remember that 1 atm equals 101.3 kPa, so if we state a rule of three, the conversion from kPa to atm for 100.0 kPa will look like this:

The answer would be that 100.0 kPa equals 0.9872 atm.