3.2808399 feet in a metre
so
$${{\mathtt{3.280\: \!839\: \!9}}}^{{\mathtt{2}}} = {\mathtt{10.763\: \!910\: \!449\: \!432\: \!01}}$$ feet squared in a metre squared
$${\frac{{\mathtt{490}}}{{\mathtt{10.763\: \!910\: \!449\: \!432\: \!01}}}} = {\mathtt{45.522\: \!489\: \!461\: \!611\: \!631\: \!9}}$$ metres squared in a 490 feet squared
3.2808399 feet in a metre
so
$${{\mathtt{3.280\: \!839\: \!9}}}^{{\mathtt{2}}} = {\mathtt{10.763\: \!910\: \!449\: \!432\: \!01}}$$ feet squared in a metre squared
$${\frac{{\mathtt{490}}}{{\mathtt{10.763\: \!910\: \!449\: \!432\: \!01}}}} = {\mathtt{45.522\: \!489\: \!461\: \!611\: \!631\: \!9}}$$ metres squared in a 490 feet squared