8 mm = (a)   m

3,4 cm = (a)   m

0,6 km = (a)   m

200.000 cm = (a)   m

250 mm = (a)   m

500 g = (a)   kg

320 mg = (a)   kg

1,5 menit = (a)   detik

23 menit = ... detik

(a)