Question

500 mm² + 0,000125 hm² +34 m²=? m²​

Answer 1

$500 \ mm^2+0,000 \ 125 \ hm^2+34 \ m^2=\\=0,000 \ 5 \ m^2+1,25 \ m^2+34 \ m^2=\\=1,2505 \ m^2+34 \ m^2=\boxed{35,2505 \ m^2}$