is called a variable or a literal constant, or informally an unknown.
A variable.
X
That is called a variable. A letter is often used.
Is called a variable and is represented by and letter
-The radical is the symbol that represents a square root. -The radicand is the number underneath the radical symbol. -The coefficient is the number out in front of the radical. (We assume that the coefficient multiplies the radical, the same way it would multiply with a variable.)
In Roman numerals, the symbol "V" represents the number 5.
variable
The number in a nuclear chemical symbol represents the charge of the particle is the atomic number or the number of protons in the nucleus.
A variable.
a variable
the chemical symbol that represents sulfur is S. and its atomic number is 16 in the periodic table
The element symbol represents one mole of element , atomic number represents number of protons, atomic mass represents sum of protons and neutrons.
it is a variale
It is the number of tens modulo one thousand.
The symbol for 8888 is simply the number itself, which represents four instances of the digit 8.
Conventionally in chemistry, the atomic number is represented by the symbol 'Z'.
X