If 10^ 2 y =25 then 10^ -y equals - Vidyadip

MCQ

If $10^{2 y}=25$ then $10^{-y}$ equals

A
$-\frac{1}{5}$
B
$\frac{1}{50}$
C
$\frac{1}{625}$
✓
$\frac{1}{5}$

✓

Answer

Correct option: D.

$\frac{1}{5}$

d

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