no number does begin with P...but the first cardinal number to use the letter P is Septillion
An unknown number represented by a letter or symbol is a variable.
Roman numerals use letters in place of numbers. An unknown variable in algebra uses a letter instead of a number.
The divisor or denominator
A variable is a symbol for a number that we don't yet know. It is usually a letter such as x or y.
A letter that represents a number is called a variable.
sum
variable
A variable
a variable
a variable.
Is called a variable and is represented by and letter
The letter W is the metal called Tungsten. Its atomic number is 74
it is named by its number and a letter indicating which series it is for that number.
Function Keys
That is called a variable. A letter is often used.
THOUSAND