| I thought I knew the decimal for 1/81, but the quiz didn't accept it. So I sat here painstakingly working it out in my head. I got it right! If the quiz answer hadn't included an extra digit (8), I might have had time to try the others instead of re-checking my calculation. Why has nobody commented this before? 103 plays, and 7 think they got it right by agreeing with the wrong answer. |