Correct Answer: Option C

Explanation

\(\frac{3^{(1-n)}}{9^{-2n}}\) =\(\frac{1}{9}\)
3\(^{1-n}\times 3^{-2(-2n)} = 3^{-2}\)
1 - n - 2(-2n) = -2
1 - n + 4n = -2
n = -1

• professor John is the leader of the ________ committee to review the new book? Answer this

  1 Answers   ·   English Language   ·   3 months ago
• His contract was ---- because of irregularities in his contract You picked annulled over terminated and I want to know... Answer this

  1 Answers   ·   English Language   ·   2 months ago
• whats is the difference between phrase and clause? Answer this

  2 Answers   ·   English Language   ·   3 days ago