Write down the values of 

a. 300 cm, in m 

b. 500 g, in kg 

c. 1500 m, in km 

d. 250 ms, in s 

e. 0.5 s, in ms 

f. 0.75 km, in m 

g. 2.5 kg, in g 

h. 0.8 In, in mm