The number of exercises on Khan academy has increased rapidly since it began in 2006 20062006. The relationship between the elapsed time, t tt, in years, since Khan academy began, and the total number of its exercises, E year ( t ) E year (t)E, start subscript, start text, y, e, a, r, end text, end subscript, left parenthesis, t, right parenthesis, is modeled by the following function: Eyear(t)=100⋅(1.7)t Complete the following sentence about the monthly rate of change in the number of exercises. Round your answer to two decimal places.