7. 已知log 2 = 0.3010, log3 = 0.4771，若2530 是m 位正整數，且首位數字為n，則數對(m, n) = ？(A)(41, 8) (B)(41, 9) (C)(42,

問題詳情

7. 已知log 2 = 0.3010, log3 = 0.4771，若2530 是m 位正整數，且首位數字為n，則數對(m, n) = ？
(A)(41, 8)
(B)(41, 9)
(C)(42, 8)
(D)(42, 9) 。

答案：C
難度：簡單0.75
統計：A(0),B(1),C(3),D(0),E(0)