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Question

If 10^2y=25 then what is the value of 10^y

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Solution

If 10^2y=25 then
value of 10^y= (10^2y)^0.5
(a^m,)^n=a^mn
So similarly (10^2y)^0.5=(25)^0.5=√25=+/- 5
Answer is plus or minus five
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