Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Recursion
easy
0:00.0
A sequence
a
n
=
0.5
a
n
−
1
a_n = 0.5 a_{n-1}
a
n
=
0.5
a
n
−
1
with
a
0
=
8
a_0 = 8
a
0
=
8
. What is
a
2
a_2
a
2
?
A
8
B
1
C
2
D
4
Submit Answer