Answer:
390625
Explanation:
To find something to the power of something you will multiply it by itself as many times as it is stated.
For example 2 to the power of 2 would be 4!( 2 x 2=4)
So 25 to the power of 5 would be set up as follows
25 x 25 x 25 x 25 x 25
625 x 625 x 25
625 x 15625=390625