Making the blank tile to the letter "G" would give you the word:
Buoyage: a group of buoys.
A blank tile is worth nothing. Sorry!
The blank tile is used as a 'Wild,' and can be any letter, though I do not believe you recieve any points for using it.
It can be any letter you choose.
Official Scrabble rules state: "A blank tile in the game can be substituted for any letter, and it remains that letter for the rest of the game once it is played." However, many people create house rules for their Scrabble game. If both players agree, you can exchange a blank tile for the actual letter, then replay the letter. You decide if the blank stays the same letter or if the player who picked it up can use for whatever letter they like. In my Scrabble circle, we play the rule that you can reuse the blank tile for whatever letter you like. However, the blank remains the same letter if it is not removed from the board.
You can use the blank tiles to represent any letter you like. When you play the letter, you tell the other player what the letter represents. It stays the selected letter as long as the blank tile remains on the board.
seceded
It can, but the blank tile does not have to start a word.
It can be played more than once in a game as a word or connecting a letter tile 'a'/'z' to an existing open letter tile 'z'/'a' or using blank tile/s representing the letter tile 'z' and/or 'a'.
A blank tile is not worth anything - it gets no score.
Since the value of a blank tile is zero, there are no points awarded for a blank tile at the end of the game.
A blank tile is Scrabble is worth zero points. You will score the rest of the word, but add 0 for the score of the blank tile.
It depends on the rule set by the players before the start of a game. Traditionally, it is not allowed.