yes the weight of the bag itself does not change regardless what you do to the rock.
13.40 ÷ 1000 = 0.0134
Depends on the puzzle. One summer I did 3 two thousand piece puzzles.
get 6 pieces of rubbish that looks good, sell on eBay, for a thousand pound a piece. voila :)
You need every piece.
The plural form of the noun 'piece' is spelled pieces, just as in your question.
Piece of paper
In the Rogueport Sewers there is a weird, jester-like guy named Dazzle. To find him enter the pipe in front of Prof. Frankly's house. Turn left into the next "room" and you'll you'll see him right away. He'll trade badges for your Star pieces (e.g. 15 Star Pieces for Power Plus, 8 Star Pieces for Quick Change, etc.). If you find every Star Piece you can get every badge from him.
piece = pc pieces = pcs
pieces
There are 20 pieces.
Yes, there was. A big piece was changed into a number of small pieces.
If a piece of wire was cut into 2 pieces in the ratio 7:8 and the shorter piece was 14cm, then the length of the longer piece will 16cm.