The class is about heat, waves, and light. The website wants exactly the perfect answer and in the same metric system units that are stated on the calculators that are on the picture for the question, if not, it'll mark it wrong.

set L? Promem A E! In searching the bottom of a pool at night. a watchman shines a narrow beam of light from his ashlight. bl = 1.46 m above the water levell onto the surface of the water at a point 2.7 m from his foot at the edge of the pool. Where does the spot of light hit the bottom of the pool. measured from the wall beneath his foot, if the pool is h2 = 2.18 m deep? The index of refraction of water is 1.33