S = int(input())
mod = 10 ** 9 + 7
inv = pow(2, mod - 2, mod)
for _ in range(S):
    N, M, X = map(int, input().split())
    X = 1 - 2 * X
    ans = pow(1 + M, N, mod) + X * pow(1 - M, N, mod)
    ans *= inv
    ans %= mod
    print(ans)