Question

Checking my work. which one?

Answer 1

3^6

Explanation:

300,000,000/300,000=1,000 + ^3 = 1,000,000

<3 Enjoy,

Dea

Answer 2

Dividing exponents you subtract.

3^8/3^5 = 3^3

3^3

Multiplying exponents when an exponent is raised to another.

(3^3)^3 = 3^9

Final Answer is
`3^(9)`

Apparently this makes no sense according to comments, if you want a more indepth look into exponents search "The properties of exponents".