Level:
Project ID:
1003112805
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
The \(n\)th term of a geometric sequence is \(\frac52 \), the common ratio is \( \frac12 \) and the fourth term is \( 20 \). Find \( n \).
\( 7 \)
\( 8 \)
\( 6 \)
\( 10 \)
\( 5 \)