Correct Answer: Option B

Explanation

3\(^{n - 1}\) × \(\frac{27^{n + 1}}{81^n}\)

= 3\(^{n - 1}\) ×  \(\frac{3^{3(n + 1)}}{3^{4n}}\)

= 3\(^{n - 1 + 3n + 3 − 4n}\)

= 3\(^{4n − 4n − 1 + 3}\)

= \(3^{2}\)

= 9

There is an explanation video available below.

• What can i study with 155 score in science course? Answer this

  2 Answers   ·   Biology   ·   3 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  3 Answers   ·   Mathematics   ·   4 days ago
• find the value of (16)^3/2 + log0.0001 + log325? Answer this

  13 Answers   ·   Mathematics   ·   10 years ago