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

A 1.35 mol sample of NO₂(g) is added to a 2.25 L vessel and heated to 500 K. The reaction N₂O₄(g) ⇌ 2NO₂(g) is at equiLiBrium with a concentration of [NO₂] = 0.

outraged over the growing gap between the rich and the poor who wrote the influential pamphlet the communist manifesto

Increasing bottling speed is impacted by: a) Component availability b) Forecast errors c) Demand d) All of the above

Put the events of synaptic transmission in order of their occurrence. A) Neurotransmitters bind with ligand-gated channels on the postsynaptic membrane. B) A se

Greg typically returns late from his break periods. As Greg's manager, you should first point out how the behavior has impacted the work unit and then identify

Is it easier for small businesses or big businesses/chains to build relationships and why?

When Roger evaluated the commercial infrastructure in Korcula, a small Croatian island, he considered its A) Population control measures. B) Legal, banking, and

Prove that |-4g - 2| = 10

What does the phrase "the unimaginable becomes more conceivable" most closely mean as it is used in paragraph 12? The Rwandan Genocide invented new killing meth

Write a short line with that fact or detail.