That's the ' degree ' of the monomial.
The degree of a monomial is the sum of the exponents of its variables.
The term describing the sum of the exponents of the variables in a monomial is called the degree . To find the degree, simply add all the exponents of the variables together. For example, in the monomial 3 x 2 y 3 , the degree is 5 ( 2 + 3 ).
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