Each ANSI C yields two ANSI As. Therefore, 20. Please see the link.
It depends on the size of the plywood sheets.
If you divide A0 size in half (cut or fold it) you get A1. If you divide A1 in half you get A2, etc, etc. Therefore 210 A10 sheets fit into A0, = 1024 sheets. A10 is very small (26 × 37 mm) and of little use.
16 sheets.
Half the size of the United States.
Half the size of the United States.
It depends on the size of the sheets that you get!
Depends on the size of the sheets of plywood.
That depends entirely on the size of the sheets !
Notepad
Reg size sheets
One can purchase flannel sheets in full size from many different places. Target sells full-sized flannel sheets, as do WalMart, Bed Bath and Beyond, and Amazon.
Paper measured by weight is in pounds, as in so many pounds per 500 sheets of it's parent size. For example Bond paper's basis size is 34"x22" and 500 sheets will weight 20 lbs, and a ream (500 sheets) of 20 lb bond sized 8 1/2 x 11 inches will weight about 2 and a half pounds.