Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Geometric Sequences
medium
0:00.0
Sum
1
+
3
+
9
+
27
1+3+9+27
1
+
3
+
9
+
27
.
A
40
40
40
B
39
39
39
C
41
41
41
D
30
30
30
Submit Answer