#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1e9;
int MOD = 1000000007;
double power(double x,ll n){
    if(n == 0)return 1;
    double ans = power(x*x,n/2);
    if(n % 2 == 1)ans = ans * x;
    ans /= pow(10,floor(log10(ans))); 
    return ans;
}
main(){
    int N;
    cin >> N;
    for(int i = 0;i < N;i++){
        ll A,B;
        cin >> A >> B;
        double digit = log10(A);
        double d = 1.*A/pow(10,floor(digit));
//        cout << d << endl;
        printf("%2.1f %.0f\n",power(d,B),floor(digit*B));
    }  
}