A can of soda at 81 degrees F. is placed in a refrigerator that maintains a constant temperature of 38 degrees F. The tempurature T of the soda t minutes after it is placed in teh refrigerator is given by T(t) = 38 + 43e-0.58t
Find the the temperature of the soda 20 minutes after it is placed in the refrigerator. (round to the nearest tenth of a degree)