Question

4 м² = дм² 63000 см² = дм²
8 м² = см² 8100 дм² = м²

Answer 1

 4м^2=400дц^2
63000см^2=630дц^2
8м^2=80000см^2
8100дц^2=8,1m^2

1m^2=100дц^2
1m:2=10000cм^2
1дц^2=100см^2