Correct Answer: 0.902
Explanation:
Given Exp. = log (57 x 100 / 100) + 3log(0.57) + 1/2log(0.57) = log (0.57) + log 102 + 3log(0.57) +1/2log (0.57) = (1 + 3 + 1/2) log(0.57) + 2 [∵ log102 = 2] = (4.5 x 1.756) + 2 = 4.5 x (-1 + 0.756) + 2 = 3.402 - 4.5 + 2 = 0.902