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

$\dfrac{a^{10}}{4}$
Using the laws of exponents, the given expression, $\dfrac{3a^{11}}{12a}$, is equivalent to \begin{array}{l}\require{cancel} \dfrac{\cancel{3}a^{11-1}}{\cancel{3}\cdot4} \\\\= \dfrac{a^{10}}{4} .\end{array}