samkay2835 samkay2835
  • 03-03-2021
  • Mathematics
contestada

what is the sum of the geometric sequence 1,3,9... If there are 14 terms?

Respuesta :

irspow
irspow irspow
  • 03-03-2021

Answer:

Step-by-step explanation:

[tex]s_n=\frac{a(r^n-1)}{r-1},\ a=initial,\ r=common\ ratio,\ n=term\ number\\ \\ s_{14}=\frac{1(3^14-1)}{2}\\ \\ s_{14}=2391484[/tex]

Answer Link

Otras preguntas

what other areas beside egypt did the new kingdom pharoahs conquer
write words to match the expression. 24- ( 6+3)
write words to match the expression. 24- ( 6+3)
Which two numbers have a difference of 5 and a product of 3.36???
Which two numbers have a difference of 5 and a product of 3.36???
what other areas beside egypt did the new kingdom pharoahs conquer
Which two numbers have a difference of 5 and a product of 3.36???
write words to match the expression. 24- ( 6+3)
write words to match the expression. 24- ( 6+3)
what other areas beside egypt did the new kingdom pharoahs conquer