chem quiz lab 12

[sr1083863]

I have a question on a quiz that the resul is R=1.215e-4L atm/K mol but it says rond to four digits after decimal point, but when I try to do it , it changes to 0.0001 it is only five question quiz, and I don't want to get it wrong, how to write the answer on a correct way

                                             thanks