FRAC{{{{\left( {0.03} \right)}^2}{\RM{\;}} + {\rm{\;}}{{\left( {0.75} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.091} \right)}^2}}}{{{{\left( {0.003} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.075} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.0091} \right)}^2}}}{\rm{}} = {\rm{}}\frac{{{{\left( {0.03} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.75} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.091} \right)}^2}}}{{\left( {\frac{1}{{{{10}^2}}}} \right)[{{\left( {0.03} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.75} \right)}^2}{\rm{\;}} + {\rm{\;}}{{\left( {0.091} \right)}^2}]}}{\rm{}} = {\rm{}}100\)