#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
template <typename T> bool chmax(T &u, const T z) { if (u < z) {u = z; return true;} else return false; }
template <typename T> bool chmin(T &u, const T z) { if (u > z) {u = z; return true;} else return false; }
#define ll long long
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
//#define endl "\n"
typedef pair<ll, ll> P;
const ll INF = 1e18;
//using mint = modint1000000007;
//using mint = modint998244353;
//const int INF=INT_MAX;
ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; }
ll lcm(ll a, ll b){return a * b / gcd(a, b);}

int main(){
  int t;
  cin>>t;
  rep(i,t){
    int n;
    cin>>n;
    string s="9";
    for(int i=1;i<n;i++){
      s.push_back('0');
    }
    if(n==1)cout<<10<<endl;
    else cout<<s<<endl;
  }
  return 0;
}