Answer:
so the second one
4 * (-9) * (-3) * (-1)
Explanation:
-2 * (-7) * 12 * 4 = positive
4 * (-9) * (-3) * (-1) = negative
-6 * (-7) * (-8) * 0 = positive
-3 * (-2) * (-4) * (-7) = positive
negative times negative = positive
1.6m questions
2.0m answers