it is called a variable
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2.3
when a symbol such as <or> is placed between two expressions
A power or exponent.
when a symbol such as <or> is placed between two expressions
It is the power, index or exponent.
"less than or equal to". The symbol for less than is " < " and for less than or equal to it is < with a line under it
Let n be the number between 4 and 7 then the required expression is written:- 4 < n < 7 The symbol used is a "less than" symbol and the expression is 4 is less than n which is less than 7. When the arrowhead points to the right > then this is called a "greater than" symbol and we could put n > 4 and 7 > n.
A math expression is a symbol or combination of symbols that represents a quantity or a relationship between quantities.
is one symbol already an expression in math
It's called a "bit"; hence the expression "bit between your teeth".
You put > if the answer is bigger and you put < if the answer is smaller the the first one