5th term in the geometric sequence 1/2 , 2 , 8...
a. 1,384
b. 8,192
c. 128
d. 144
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5th term in the geometric sequence 1/2 , 2 , 8...
a. 1,384
b. 8,192
c. 128
d. 144
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Answer:
C
Explanation:
FORMULA:
An = A1 r n-1
A1 = 1/2 r = 4 n = 5
SOLUTION:
An = 1/2(4)5-1
= 1/2(4)4
=1/2(256)
=128