alitSaraadellessje
alitSaraadellessje alitSaraadellessje
  • 10-06-2016
  • Mathematics
contestada

What is the value of the 11th term in the following geometric sequence?

-5, -10, -20, -40



-5,120

-100

-180

-19,531,250

Respuesta :

caylus
caylus caylus
  • 11-06-2016
Hello,

[tex] a_{1}=-5 [/tex]
[tex] a_{2}=-5*2 [/tex]
[tex] a_{3}=-5*2^2 [/tex]
...
[tex] a_{11}=-5*2^{10}=-5120 [/tex]

Answer A



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