Question

Expresar el area de 25 metros a milimetros cuadrados

Answer 1

25 x 25 =625m
625m x 1000 =625000

Answer 2

1m^2=1000dm^2
1dm^2=1000cm^2
1cm^2=1000mm^2
1m^2=1000*1000*1000mm^2
1m^2=(10^9)(mm^2)
25m^2=(25)(10^9)(mm^2)