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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following is the solution to the equation squareroot of 5^8n = 125^(n + 4) ?

OpenStudy (anonymous):

OpenStudy (henryblah):

Try making the 2 sides have the same base. E.g. both have 5. Root 5 is the same as 5^(1/2). 125 is the same as 5^3. Use your laws of indices. Then compare the powers to find n.

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