Simplify:
(i) 
(ii) 
(iii) 
(i) 
We know that powers get added in multiplication, so,
(ii) 
We know that powers get added in multiplication, so,
= 
(iii) 
We know that powers get added in multiplication, so,
= 
1
Simplify:
(i) (ii) (iii)
(i)
We know that powers get added in multiplication, so,
(ii)
We know that powers get added in multiplication, so,
=
(iii)
We know that powers get added in multiplication, so,
=