a, 3,6 cm khoi = ..3,6......... ml
b, 725 l = ......0,725........ m khoi
2,5 ml = .......2,5....... cm khoi
300 l = ........0,3...... m khoi
360 cc = ......0,36......... lit = ....0,00036......... m khoi
4,1 lit = ........4,1....... dm khoi = .....0,0041............ m khoi
2,5 tan = ............25.... ta = .....2500.............. kg
45,3 ta = .....4530........... kg = ......4530000000.......... mg