Latex: change numbering style of figures/tables

put this in your preamble

[code language="latex"]
% figures/tables should be labeled: 1,2,3,4,...
\renewcommand{\thefigure}{\arabic{figure}}
\renewcommand{\thetable}{\arabic{table}}
[/code]

src: http://timmurphy.org/2011/07/18/latex-table-and-figure-numbering-style/