Question

please solve this quickly, today is my exam.....
so fast

Answer 1

This is the answer...

Answer 2

Given (10)^2y = (25)

It can be written as,

= > (10^y)^2 = (5)^2

= > 10^y = 5.

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Now,

Given 10^(-y)

= > (1/10^y)

= > (1/5).

Hope this helps!