Level:
Project ID:
1003112806
Accepted:
1
Clonable:
0
Easy:
0
The sum of the first four terms of a geometric sequence is \( 0 \) and the first term equals \( 2 \). Choose the correct formula to find the eighth term.
\( a_8 = 2\cdot (-1)^7 \)
\( a_8 = 2\cdot (1)^7 \)
\( a_8 = 2\cdot 2 \)
\( a_8 = \frac02 \)
\( a_8 = 2\cdot (-2) \)