第10章 10.11

(1)

$0.5221 = \log 3.32$

(2)

$2.0334 = 2 + 0.0334 = \log 100 + \log 1.08 = \log 108$

(3)

$-1 + 0.9872 = \log 0.1 + \log 9.71 = \log 0.971$

(4)

$-4 + 0.5366 = \log 0.0001 + \log 3.44 = \log 0.000344$