Indicies and surds

Question 1

2^a x 2^b

Answer 1

4^a+b

Question 2

2^a
_____

2^b

Answer 2

2^a-b

Question 3

(2^a)^b

Answer 3

2^ab

Question 4

2^a/b

Answer 4

(b√2)^a

Question 5

2^-a

Answer 5

1
_____

2^a

Question 6

2^-b/a

Answer 6

1
____

(a√2)^b