<單選>下表為常用對數表 \(\log_{10} N\) 的一部分:
請問 \(10^{3.3032}\) 最接近下列哪一個選項?(1) 101
(2) 201
(3) 1007
(4) 1076
(5) 2012
答案
\[
\begin{aligned}
a &= 10^{3.032} \\
\log a &= 3.032 = 3 + 0.032 \\
\log 1.07 &= 0.0294, \quad \log 1.08 = 0.0334 \\
\frac{k}{0.01} &= \frac{0.032-0.0294}{0.0334-0.0294} = 0.65 \\
k &= 0.0065 \\
\log 1.0765 &= 0.032 \\
\log a &= 3 + 0.032 = \log 1000 + \log 1.0765 = \log 1076.5 \\
a &\approx 1076
\end{aligned}
\](4)
