[tex]1 \ a = 10 \ m\times 10 \ m = 1000 \ cm \times 1000 \ cm = 1 \ 000 \ 000 \ cm^{2}\\\\27 \ cm^{2} = 27:1000000 \ a = 0,000027 \ a[/tex]
[tex]1 \ m^{2} = 100 \ cm\times 100 \ cm = 10000 \ cm^{2}\\1 \ cm^{2} = 0,0001 \ m^{2}\\\\27 \ cm^{2} = 27:10000 \ m^{2} = 0,0027 \ m^{2}[/tex]
[tex]Odp.\\27 \ cm^{2} = 0,000027 \ a\\\\27 \ cm^{2} = 0,0027 \ m^{2}[/tex]
