Question

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Answer 1

Answer:mark me as brainliest

A.

(2/3)^8 X (4/9)^(-7)=(4/9)^2n-1

(4/9)^7 X (4/9)^(-7)=(4/9)^2n-1

(4/9)^7+(-7) = (4/9)^2n-1

7-7=2n-1

2n=1

,n=1/2

Step-by-step explanation: