import sys
def input():
	return sys.stdin.buffer.readline()[:-1]

MOD = 10**9+7
HALF = pow(2, MOD-2, MOD)
for _ in range(int(input())):
	n, m, k = map(int, input().split())
	if k == 0:
		print((pow(1+m, n, MOD) + pow(1-m, n, MOD)) * HALF % MOD)
	else:
		print((pow(1+m, n, MOD) - pow(1-m, n, MOD)) * HALF % MOD)