Question

simplify and express as positive indice:

`("a"^-2"b")^-2.("a""b")^-3`

Answer 1

`("a"^-2"b")^-2.("a""b")^-3`

`=("a"^(-2xx(-2))."b"^-2).("a"^-3."b"^-3)`

`= ("a"^(4)."b"^-2).("a"^-3."b"^-3)`

`= "a"^(4-3)."b"^(-2-3)`

`= (a^1b^-5)`

`="a""b"^-5`

`="a"/"b"^5`