Level:
Project ID:
1003057910
Accepted:
1
Clonable:
0
Easy:
0
The sum of the first \( n \) terms of an arithmetic sequence is \( 0 \), the common difference is \( 3 \) and the first term is \( -45 \). Find the \( n \).
\( 31 \)
\( 15 \)
\( 30 \)
\( 16 \)
\( 32 \)