#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    int N;
    cin >> N;
    while(N--){
        int a;
        cin >> a;
        if(a == 1){
            cout << 10 << endl;
            continue;
        }
        cout << 9;
        a--;
        while(a--){
            cout << 0;
        }
        cout << endl;
    }
}