Yes, they are hanging around, while values typically have been rounded to bears "round" SI number. A more traditional pound is 454g, nowadays it's understood as

Yes, they are hanging around, while values typically have been rounded to bears "round" SI number. A more traditional pound is 454g, nowadays it's understood as 500g. The reason why you don't typically see it in supermarkets etc. is that law requires SI units and written language often differs from spoken.