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What is a letter used to represent a numeric value in an expression or an equation?
It can be any letter of any alphabet: Roman, Greek.
What represents an unknown or changeable value?
In mathematical expressions, a variable (a letter used to represent a certain value) represents an unknown or changeable value. It is often the variable x.
What decimal value does the letter A represent?
Without context, it is difficult to say. I guess you are referring to number bases greater than 10 where letters are used to represent digits above 9; the first digit would be A, the second B and so on. In these cases the letter A is being used to represent 10 times the column value where it is. For example in hexadecimal, the A in 0x6A3 represents 10 x 16 = 160 in decimal (since it is in the sixteens column of the number).
Letter used to represent one or more numbers?
A letter used to represent numbers is called a variable; the most common ones are 'x' and 'y'.
What is a letter or symbol used to represent an unknown value?
If you are talking about math then its usually " x " but if that is already use in the expression and you want to use another symbol to represent a DIFFERENT number then you can use y or a or so on.
What is a place holder usually a letter used to represent an unknown value called?
variable
What is a letter used to represent a numeric value in an expression or an equation?
It can be any letter of any alphabet: Roman, Greek.
What is numeric x in statistics?
In statistics, letter such as; a,..x..,z, is a variable used to represent an unknown value.
In the hexadecimal system what decimal value does the letter A represent?
value of 10
What decimal value does the letter A represent in the hexadecimal system?
Value of 10
What represents an unknown or changeable value?
In mathematical expressions, a variable (a letter used to represent a certain value) represents an unknown or changeable value. It is often the variable x.
Letter used to represent a number?
A letter used to represent a number is a variable of sometimes a constant.
What letter symbol is used to represent current?
The letter 'I' is used to represent current. Its SI units are the ampere,(amps),(A).
What letter is used to represent electric currents in equations?
The letter "I" is typically used to represent electric currents in equations.
What letter of the alphabet does the positive absolute value function represent?
Not aware that there is any such letter.
What letter is used to represent the acceleration due to gravity?
The letter "g" is used to represent the acceleration due to gravity.
What letter is used to represent the speed of light in a vacuum?
The letter "c" is used to represent the speed of light in a vacuum in physics equations.
