1003112801

SubArea: 
Geometric sequences
Level: 
A
Project ID: 
1003112801
Accepted: 
1
Clonable: 
0
Easy: 
1
The third term of a geometric sequence is \( 100 \) and the common ratio is \( -5 \). Find the first term of this sequence.
\( 4 \)
\( -4 \)
\( 20 \)
\( -20 \)
\( 500 \)