Square root
The word 'everything' is not a noun.The word 'everything' is a pronoun, a word that takes the place of a noun in a sentence.The pronoun 'everything' is an indefinite pronoun a word that takes the place of an unknown or unnamed number of things.
Letter
A letter used to represent a number is a variable of sometimes a constant.
Coefficients are the numbers directly in front of a variable. Variables are letters in place of numbers in a mathematical problem . For example the expression, "2x" has a variable and a coefficient. The variable is the letter x, and the coefficient is the number 2. The coefficient is NEVER a letter, and is always a number. Coefficients and variables can be used in both scientific and algebraic expressions.
Usually the letter n stands for number, and it means some unspecified number.
Yes, it can be.
A variable
A variable.
a variable is a letter that takes the place of a number
The unknown or the variable
Yes, Number the Stars takes place in Denmark's capital, Copenhagen.
They are variables or unknowns and are used in algebra.
Yes, it is.
The gender of the pronoun 'it' is neuter, a word that takes the place of a noun for a thing that has no gender.The number of the pronoun 'it' is singular, a word that takes the place of a noun for one thing.
In Latin there were letters instead of our kind of numbers: I = 1 V =5 X = 10 L = 50 C = 100 and so on.
T in the metric unit of weight is ton.
variable