There would be 170 common nails in a pound and 300 finishing nails.
There are 840 per pound.
There are or should be 300.
115 nails per SQ (100sf)
Depends on the length and if they are galvanized or COPPERLonger nails weigh more thus less per pound and copper weighs more then galvanized steel
A pound of any substance, material or "stuff" weighs the same as a pound of anything else. A pound is a pound, whether it's cotton or nails.
There are or should be 170.
No, they are equal: 1 pound = 1 pound.
manufacturing costs, you don't need to make as many 75mm nails per kilo
8d-10d cement coated if toenailing, 12d-16d cement coated if nailing through a plate.
It is rather a trick question. People are thrown off by the feathers (light things) and nails (heavier things) but pound are pounds. The pound of feathers will most likely be larger in volume than the pound of nails.
they both weigh the same