write the quotient as a power. a^21/a

Given that,            [tex]\frac{a^{21} }{a}[/tex]quotient as power = [tex]\frac{a^{21} }{a} = a^{21-1} = a^{20}[/tex]What is Power?In mathematics, power defines a base number raised to the exponent, where base number is the factor which is multiplied by itself and exponent denotes the number of times the same base number is multiplied.What is quotient?The number we obtain when we divide one number by another is the quotient.What is exponential function?An exponential function is a mathematical function of the following form: f ( x ) = a x. where x is a variable, and a is a constant called the base of the function. The most commonly encountered exponential-function base is the transcendental number e , which is equal to approximately 2.71828.Learn more about Quotient as a Power:https://brainly.com/question/25263760#SPJ1