import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); float h=scanner.nextFloat(); int n =scanner.nextInt(); double sum=0.0; //write your code here...... sum+=h; for(int i=1;i<=n;i++){ h/=2; if(i!=n){ sum=sum+h*2; } } System...