please say the correct answer
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2^-n×8^(2n+1)×16^2n/4^3n=1/16
=> 2^-n×2^3(2n+1)×2^4×2n/2^2×3n=1/2^4
=> 2^-n×2^(6n+3)×2^8n/2^6n=1/2^4
=> 2^(-n+6n+3+8n-6n)=2^-4
=> 2^(7n+3)=2^-4
=> 7n+3= -4
=> 7n= -4-3
=> 7n= -7
=> n= -7 /7
=> n= -1
so n= -1
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