Question

solve this in full process
$10 {}^{2y} = 25 \\ then \: 10 {}^{ - y} = what$

Answer 1

HELLO DEAR,


$\\ \\ {10}^{2y} = {5}^{2} \\ \\ {10}^{y} = {5}^{ \frac{2}{2} } \\ \\ {10}^{y} = 5 \\ \\ \frac{1}{ {10}^{ - y} } = 5 \\ \\ {10}^{ - y} = \frac{1}{5}$
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Answer 2

HEYA MATE!!

YOUR SOLUTION IS IN THE ATTACHMENT.

#KEVIN

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