Question

10 raised to the power 2y = 25
Then 10 raised to the power -y=?

Answer 1

1/5 is the right answer

Answer 2

Here is your answer
10^2y=25
(10y)^2=5^2
(10y)^-1=(5)^-1
10^-y=(5)^-1
=( 1/5
thats all