Question

This is from Khan academy I have to attach a PNG if you can help me solve it! Thank you!

Answer 1

Answer: A

Explanation:

We can rewrite
`8^x` as follows:

`8^(x)=\left(8^(9) \right)^(x/9)=\left((1)/(8^(9)) \right)^(-x/9)`

Hence,
`A=(1)/(8^(9))=\boxed{8^(-9)}`