/* -*- coding: utf-8 -*-
 *
 * 1291.cc:  No.1291 小手調べ - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);

  while (n--) {
    int di;
    scanf("%d", &di);

    if (di == 1) puts("10");
    else {
      putchar('9');
      for (int i = 1; i < di; i++) putchar('0');
      putchar('\n');
    }
  }
  return 0;
}