After using the property of power, the expressions as a power of the number a is
,
and
.
In the given question we have to solve the given expressions as a power of the number a where a≠0.
The first given expression is
.
Using the property of multiplication of power;
.
Simplifying the expression.


The second expression is 
Using the property of multiplication of power;
.


Using the property of sum of power 


The third expression is
.
Using the property of multiplication of power;
.


Again using the property of multiplication of power;
.


To learn more about property of power link is here
brainly.com/question/28747844
#SPJ1