ilovehaneyha8llmo ilovehaneyha8llmo

08-11-2016
Mathematics

contestada

What is the eighth term of the geometric sequence 3, 12, 48, 192, ... ?

A. 8,748
B. 16,384
C. 49,152
D. 56,256
E. 196,608

Respuesta :

Greenleafable Greenleafable

12-11-2016

The eight term of the geometric sequence 3, 12, 48, 192 is C. 49, 152.
You just multiply every number by 4.

Answer Link

nobillionaireNobley nobillionaireNobley

12-11-2016

The geaometric sequence is a sequence with first term (a) = 3, common ratio (r) = 12/3 = 4
nth term = ar^(n-1)
8th term = 3(4)^(8 - 1) = 3(4)^7 = 3(16,384) = 49,152

Answer Link

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