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When a vertical beam of light passes through a transparent medium, the rate at which its intensity i decreases is proportional to i(t), where t represents the thickness of the medium (in feet). in clear seawater, the intensity 3 feet below the surface is 25% of the initial intensity i0 of the incident beam. what is the intensity of the beam "10" feet below the surface? (give your answer in terms of i0. round any constants or coefficients to five decimal places.)

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class