The statement cout $<<$ setw$(4)<<$ num$4<<""$;

Question $7$ options:

outputs the value of num$4$ rounded to $4$ decimal places.

outputs "setw$(4)"$ before the value in the variable num$4$

outputs the first $4$ digits of the number stored in num$4.$

outputs the value stored in num$4$ four times.

does none of above.