問29
(1)
log_{10}{4.5}=0.6532
(2)
log_{10}{52.83}
=log_{10}{10*5.283}
=1.7228
(3)
log_{10}{600}
=log_{10^{2}*6}
=2.7782
(4)
log_{10}{72.35}
=log_{10}{10*7.235}
=1.8594
(5)
log_{10}{0.325}
=log_{10}{10^{-1}*3.25}
=-1+0.5119
(6)
log_{10}{0.4857}
=log_{10}{10^{-1}*4.857}
=-1+0.6863
(7)
log_{10}{0.008098}
=log_{10}{10^{-3}*8.098}
=-3+0.9083
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