If 10 to the power 2y = 25then find 10 to the power -y

1.	If 10 to the power 2y = 25then find 10 to the power -y
Answer» 10 to the power 2y=2510 to the power y= under root 2510 to the power y =510 to the power -y= 1/10to the power y10 to the power -y = 1/10 y= 1/5ans.(10 to the power y=5)

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