s939758 s939758
  • 14-01-2021
  • Mathematics
contestada

Find the sum of the first 8 terms of the sequence an=2(4) ^n-1

Respuesta :

surjithayer10 surjithayer10
  • 14-01-2021

Answer:

Step-by-step explanation:

a1=2

r=4

n=8

[tex]s_{8}=2\frac{4^8-1}{4-1} =\frac{2}{3} (4^8-1)=\frac{2}{3} (65536-1)=\frac{2}{3} (65535)=2 \times 21845=43690[/tex]

Answer Link

Otras preguntas

I know I'm being annoying by asking questions but if you had a choice and your parents were close to death by falling of a mountain, who would you save your mom
How did Maggie's church and education influence her?
HELPPPPPPPPPPPPP ME!!!
A lung cell maintains homeostasis. What is this an example of?.
What action on november 11, 1918, brought world war i to an end?.
John has become fixated on a rather paranoid explanation of the facts. What should John do to examine the situation more rationally?
Choose the correct tense represented in the sentence below. J'ai regardé un match de football. O Present O Passé composé O Imparfait​
please I need the answers now​
what are the four mechanisms of heat loss?
Complete the following questions below with the imperfect progressive form of the verbs. Each answer requires the imperfect of estar AND the "ing" form. 1) Mi h