## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$\text{base: } x \\\text{exponent: } 3$
By definition, $x^a$ has a base of $x$ and an exponent of $a$. Hence, the given expression, $2x^3$, has the following characteristics: \begin{array}{l}\require{cancel} \text{base: } x \\\text{exponent: } 3 .\end{array}