(Q6).Evaluate (
5
4
 )2

= (
5
4
 )2
=
25
16
=
25
2 × 2 × 2 × 2
25
16
 Can be written as
25
2 × 2 × 2 × 2
=
25
2 × 2 × 2 × 2

10 = 2 × 5

=
25 × 54
2 × 5 × 2 × 5 × 2 × 5 × 2 × 5
=
15625

=

So it is