Question

Can someone explain this to me? I don't understand how they got from what I labeled 1 to what is labeled 2. Where did the 1/3 come from?

Answer 1

Explanation:

Using exponent rules:

3^(n+1) = 3^(n) 3^(1)

So:

3^n / 3^(n+1)

= 3^n / (3^n × 3)

= 1 / 3

Answer 2

see attached

Explanation:

see attached