1 answer:
Answer:
8^(3n+1) = 80/5
8^(3n+1) = 16
(2^3)^(3n+1) = 2^4
2^(3*(3n+1) = 2^4
Having same power so;
9n+3 = 4
9n = 4-3
9n = 1
n = 1/9
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Answer:
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Answer:
1/16
Step-by-step explanation:
4^-2 is the same as 1/4^2
and then calculate 4^2 to get 16, making it 1/16.
