The production rate r for an oil well in barrels/day is modeled by r(t)=135e^(−0.3t) where t is the number of years the well has been in production. find the total oil production in the first 5 years of operation. integration

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !