What does 8.5 × 10¹⁰ · 7.6 × 10¹² equal

its kind of blurry. can you put a clearer pic?

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