[tex] \bf 5.6\times 10^{-7}\implies 0\underline{.0000005}6\impliedby
\begin{array}{llll}
10^{-7}\textit{ means, move the dot 7}\\
\textit{slots to the left}
\end{array}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
5.6\times 10^7\implies 5\underline{6000000.}\impliedby
\begin{array}{llll}
10^7\textit{ means move the dot 7 }\\
\textit{slots to the right}
\end{array} [/tex]
how to explain it? well, Al had just taken a shower and his glasses were foggy.
