Which product is negative? −3⋅(−4)⋅(−9)⋅0 negative 3 times open parenthesis negative 4 close parenthesis times open parenthesis negative 9 close parenthesis times 0 −7⋅(−3)⋅(−5)⋅(−8) negative 7 times open parenthesis negative 3 close parenthesis times open parenthesis negative 5 close parenthesis times open parenthesis negative 8 close parenthesis 6⋅(−2)⋅(−3)⋅1 6 times open parenthesis negative 2 close parenthesis times open parenthesis negative 3 close parenthesis times 1 −2⋅(−4)⋅8⋅(−1)