If only one number in a fraction is negative, does that mean the whole fraction is negative

Factor the monomial completely 42a3b3

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Me. i can't figure out this question. give an explanation too. .