Answer
a. negative
b. negative
Work Step by Step
a. adding two negative numbers always results to a negative number, as exemplified by some examples:
$(-3) + (-5) = -8$
$(-0.1)+ (-4) = -4.1$
b. Any two numbers with opposing sign always yield a negative number.
e.g.
$(-2)*(17) = - 34$
$(5)*(-0.2) = -1$
