In order to convert from the imperial units ounces and pounds to the metric unit kilograms, you should use the following conversions:  $$16$$ ounces $$= 1$$ pound  $$2.2$$ pounds $$= 1\text{kg}$$  Newborn tiger cubs weigh about $$56$$ ounces.  Circle the mass in kilograms which gives the best approximation of the mass of a newborn tiger cub.  $$0.5\text{kg}$$~ ~ ~~$$1\text{kg}$$~ ~ ~ ~$$1.5\text{kg}$$~ ~ ~ ~$$2\text{kg}$$~ ~ ~ ~$$2.5\text{kg}$$~ ~ ~ ~$$3\text{kg}$$ 
Overseas Competition->Knowledge Point->Calculation Modules->Unit Conversion->Converting between Units of Weight