maryhadalamb maryhadalamb

13-05-2020
Mathematics

contestada

16th term in the geometric sequence 1024, -512, 256, ....
A. -1/64
B. -1/32
C. 1/64
D. 1/32

Respuesta :

Chelboy Chelboy

14-05-2020

Answer:-1/32

Step-by-step explanation:

First term=a=1024

Common ratio=r=-512/1024

r=-1/2

Using them formula

Tn=a x r^(n-1)

T16=1024 x (-1/2)^(16-1)

T16=1024 x (-1/2)^15

T16=1024 x -1/32768

T16=-1024/32768

T16=-1/32

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