Gottfried Wilhelm Leibniz
A number before a variable (letter) is called the coefficient of the variable. Both of them makes a term, or a monomial.
W is letter number 23 in the alphabet.
It depends. The most likely used letter has to have the most number of letter tiles in the scrabble game. In standard scrabble, the letter tile 'E' has the most number of tiles (twelve).
even number 20 in the alphabet
number
Gottfried Wilhelm Leibniz
Letter
A number is just a number, while a variable is a letter that represents a number.
A letter that represents a number is called a variable.
A number before a variable (letter) is called the coefficient of the variable. Both of them makes a term, or a monomial.
x isn't a value, just a variable standing for a number
A variable is an unknown number represented by a letter
The constant is the number; the variable is the letter.
A letter used to represent a number is called a variable. Typically, the letters x and y are used, but technically you can use any letter of the alphabet.
variable
variable
variable