mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.buffer.readline

    two_inv = (mod + 1) // 2
    for _ in range(int(input())):
        N, M, X = map(int, input().split())
        p = pow(1+M, N, mod)
        n = pow(1-M, N, mod)
        if X == 0:
            print(((p + n) * two_inv)%mod)
        else:
            print(((p - n) * two_inv)%mod)


if __name__ == '__main__':
    main()