Question

Convert 5 grams per centimetre into kilograms per metre

Answer 1

here,
1Kg = 1000 g
and 
1 m= 100 cm
hece,
5 g/cm=5*100/1000 [since the conversion factor is being used inversely i.e to convert lower to higher hence num and denom switched]
= 5*1/10
=5/10
=0.5 kg/m