Question

Find the 15 th term of the series $243,81,27,\dots$

• A. $\frac{1}{3^{14}}$
• B. $\frac{1}{3^8}$
• C. ${\left(\frac{1}{3}\right)}^9$
• D. ${\left(\frac{1}{3}\right)}^{10}$

Answer 1

Answer: (C)

Use the formula to find the nth term of a GP.