Question

carloshas1.2 meters of wood if cut into 3 equal pieces how many mm each

Answer 1

1.2 ÷ 3 = 0.4 meters each 
0.4 meters = 40 cm 
40 cm = 400 mm 

therefore, 
Carlos must cut each piece of wood 400 mm each. 

Hope this helps and have a great day! :D