## Chemistry: Molecular Approach (4th Edition)

$1285 cm^{2}=0.1285 m^{2}$
1. cm to m, $100cm=1 m$ When cm is squared, all units need to be squared. $cm^{2} to m^{2}, (100cm)^{2}=1m^{2}$, so $10000cm^{2}=m^{2}$ 2. $1285cm^{2}/10000cm^{2}=0.1285m^{2}$