What us the multiplicative inverse of 10^-10

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Two lines parallel to a third line are parallel to each other. always sometimes or never

In angle pqr find the measure of