Question

Which expression is equivalent to (n^6)^3 A. n^18 B. n^9 C. n^3 D. n^2

Answer 1

When you have expressions with a power to another power, you multiply the powers together.
$( n^{6})^{3} = n^{6*3}= n^{18} \\ Your\ answer\ is\ A$

Answer 2

(n^6)³
(n^6)(n^6)(n^6)
(n^6+6+6)
A.n^18