(8.1 x 10-3). (3 x 109)

im not quite sure if this is right but i got 5.6 oisutuve

step-by-step explanation:

80 the answer is 80

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c