What is the area of the triangle

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Is the power produced directly proportional to the wind speed, give reasons for your answer?