Question

ayúdenme por favor lo nesecito de urgencia ​

Answer 1

2 dm^2 x(100 mm)^2 2 x 10000 20000

---------. = ---------------;= -----------=

(1dm)^2. 1 1

= 20000 mm^2

4 cm^2 x(10 mm)^2 4 x 1000 4000

---------. = ---------------;= -----------=

(1 cm)^2. 1 1

= 4000 mm^2

2000 cm^2 1 dm^2. 2000 dm^2

x------------.=---------------- = 20 dm^2

(10 cm)^2. 100

180.00 mm^ 1 dm^2. 180.000 dm^2

x --------- = --------------. = 18 dm^2

(100 mm)^2. 10000