7 log 8 . 2 log 9 . 3 log 1per7 By Admin ReiPosted on December 2, 2022 7 log 8 . 2 log 9 . 3 log 1per7 7log8.²log9.³log1/7= 7log2³ . ²log3² . ³log7-¹= (3)+(2)+(-1)= 4