import java.lang.Math;
import java.util.Scanner;
public class Test1022
{
    public static void main (String[] args)
    {
        Scanner in=new Scanner(System.in);
        int x=in.nextInt();
        System.out.println("输入x次:"+x);
        for (int i=1;i<=x ;i++ )
        {
            double n=in.nextDouble();
            double N=in.nextDouble();
            System.out.println("输入一个正整数n："+n);
            System.out.println("输入一个正实数N："+N);
            double m=N;
            m=(double) Math.pow(N,n);
            System.out.println("经过“n次幂”计算结果为："+m);
        }
    }
}