Question

What value of n makes the equation true? 7^7 x 7^5 = (7^n)^4/ 7^4

Answer 1

7^7x7^5=7^12

Given 7^12=(7^n)^4/ 7^4

7^12=(7^4n-4)

since the base is same we just take the powers now.

12=4n-4

12+4=4n

16/4=n

n=4

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