Question

Reposting because nobody will help me..

Answer 1

B

Explanation:

18 = 2 * 3 * 3 = 2 *3²

`18*3^((n+2)) = 2*3^(2)*3^(n+2)\\\\`

`= 2*3^(2+n+2)\\\\= 2*3^(n+4)\\\\= 2(3)^(n+4)`

Hint:

`a^(m)*a^(n) = a^(m+n)`