// compile: make data
// run: ./data < data.in
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#include <debug/codeforces.h>
#define debug(x...) _debug_print(#x, x);
#define Debug(x...) _debug_print_format(#x, x);
std::ifstream terminal("/dev/tty");
#define PP cerr<<"\033[1;30mpause...\e[0m",terminal.ignore();
#else
#define debug(x...)
#define Debug(x...)
#define PP
#endif
template<typename...Args> void print_(Args...args){((cout<<args<<" "),...)<<endl;}
#define VI vector<int>
#define VII vector<vector<int>>
#define VIII vector<vector<vector<int>>>
#define rep(i,a,b) for(int i=(a);i<(int)(b);++i)
#define sz(v) ((int)(v).size())
#define print(...) print_(__VA_ARGS__);
#define FIND(a, x) ((find(a.begin(),a.end(),(x))!=a.end())?1:0)
#define cmin(x,...) x=min({(x), __VA_ARGS__})
#define cmax(x,...) x=max({(x), __VA_ARGS__})
#define INTMAX (int)(9223372036854775807)
#define INF (int)(1152921504606846976)
#define NaN (int)(0x8b88e1d0595d51d1)
#define double long double
#define int long long
#define uint unsigned long long
#define MAXN 200010

int pow_mod(int pm_x, int pm_n, int pm_P = INF) {
    constexpr auto safe_mod = [](int pm_a, int pm_m) constexpr -> int {
        pm_a %= pm_m;
        if (pm_a < 0) pm_a += pm_m;
        return pm_a;
    };
    struct barrett {
        uint pm__m, pm_im;
        explicit barrett(uint m) : pm__m(m), pm_im((uint)(-1) / m + 1) {}
        uint umod() const { return pm__m; }
        uint mul(uint pm_b_a, uint pm_b_b) const {
            uint pm_b_z = pm_b_a;
            pm_b_z *= pm_b_b;
            uint pm_b_x = (uint)(((unsigned __int128)(pm_b_z)*pm_im) >> 64);
            uint pm_b_y = pm_b_x * pm__m;
            return (uint)(pm_b_z - pm_b_y + (pm_b_z < pm_b_y ? pm__m : 0));
        }
    };
    if (pm_P == 1) return 0;
    barrett pm_bt((uint)(pm_P));
    uint pm_r = 1, pm_y = (uint)(safe_mod(pm_x, pm_P));
    while (pm_n) {
        if (pm_n & 1) pm_r = pm_bt.mul(pm_r, pm_y);
        pm_y = pm_bt.mul(pm_y, pm_y);
        pm_n >>= 1;
    }
    return pm_r;
}

void solve() {
    int a, b; cin >> a >> b;
    printf("%lld\n", pow_mod(a, b, 1000000007));
}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);

    int _; cin >> _;
    while (_--) solve();

    return 0;
}