a)7km=7000m
70hm=7000m
deci 7km=70 hm
7km <70hm este Fals
b)
420dm=42m=4,2dam
420dm>42dam(fals)
c)8g<800cg (fals) 8g=80dg=800cg
d)300hg>50.000dg (adevarat) 300hg=30kg=300.000dg
e)7kg>7000g (fals) 7kg=7.000g
f)30m=3000cm 30m nu este =30.000cmFals
g)20hm>200dm adevarat 20hm=20000dm