The expression $\frac{a^{9} \times a^{15}}{a^{3}}$ is equal to
(A) $a^{45}$
(B) $a^{8}$
(C) $a^{18}$
(D) $a^{14}$
(E) $a^{21}$
The expression $\frac{a^{9} \times a^{15}}{a^{3}}$ is equal to
(A) $a^{45}$
(B) $a^{8}$
(C) $a^{18}$
(D) $a^{14}$
(E) $a^{21}$

Solution

$$
\begin{aligned}
\frac{a^{9} \times a^{15}}{a^{3}} & =\frac{a^{24}}{a^{3}} \\
& =a^{21}
\end{aligned}
$$

ANSWER: (E)