Question

I'm not sure what b is can someone help me please

Answer 1

Question (a)

`3^2 \centerdot 3^(-1) = 3^(2-1) = 3^1 = 3`

Question (b)

`2^(-2) \centerdot 2^(-2) = 2^(-2-2) = 2^(-4) = (1)/(2^4) = (1)/(16)`

Answer 2

Positive 8 I think, I’m pretty sure though