Melissa wrote the following method in Java. It is designed to compute 2^n, but returns an incorrect result. In which line has she made a mistake? public static int powerTwo(int n)
if (n == 1){
return 1;
} else {
return 2 + powerTwo(n-1);

public static int powerTwo(int n) {

  if (n == 0){

     return 1;

  } else {

     return 2 * powerTwo(n-1);

  }

}

Explanation:

There are actually three mistakes:

answer; i believe that the correct answer is (department   of highway safety and motor vehicles);

we need a link or picture : )