Given data:
The first expression is 7^(-2)d^(5).
The second expression is 1^(-23)r^(12).
The third expression is 9^(-2)w^(-56).
The first expression can be written as,
7^(-2)d^(5)=d^5/7^2
=d^5/49.
The second expression can be written as,
1^(-23)r^(12)=r^12/1^23
=r^12/1.
The third expression can be written as,
9^(-2)w^(-56)=1/(9^2)(w^56).
Thus, the fractional representation of first expression is d^5/49, the fractional representation of second expression is r^12/1, and the fractional representation of the third expression is 1/(9^2)(w^56).
