a. Write 0.23 m/s in km/s.

b. Write 72.1 km/s in m/s.

c. Write 9.4 m2 in units of km2

.

d. Write 0.57

µm2 in units of cm2

.

e. Convert 1.1 L to m3

.

f. Convert 2.3 km/s to m/s.

g. Convert 0.5 m s−1 to µm ms−1

.

h. Convert 8.5 kg m−3 to g

µm−3

.

i. Convert 0.18

µmol µm2 s

−1 to mol m2 minute−1

.

j. Convert 0.5 m3 to litres.