import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        while (n-- > 0) {
            sb.append(pow(new BigNumber(sc.nextInt()), sc.nextInt())).append("\n");
        }
        System.out.print(sb);
    }
    
    static BigNumber pow(BigNumber x, int p) {
        if (p == 0) {
            return new BigNumber(1);
        } else if (p % 2 == 0) {
            return pow(x.pow2(), p / 2);
        } else {
            return pow(x, p - 1).multiply(x);
        }
    }
    
    static class BigNumber {
        double num;
        long value;
        
        public BigNumber(double num, long value) {
            this.num = num;
            this.value = value;
            normalize();
        }
        
        public BigNumber(double num) {
            this(num, 0);
        }
        
        private void normalize() {
            while (num >= 10) {
                value++;
                num /= 10;
            }
        }
        
        public BigNumber pow2() {
            return new BigNumber(num * num, value * 2);
        }
        
        public BigNumber multiply(BigNumber x) {
            return new BigNumber(num * x.num, value + x.value);
        }
        
        public String toString() {
            int ten = (int)(num * 10);
            StringBuilder sb = new StringBuilder();
            sb.append(ten / 10).append(" ").append(ten % 10).append(" ").append(value);
            return sb.toString();
        }
    }
}
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}