brady1021
brady1021 brady1021
  • 04-05-2021
  • Mathematics
contestada

Find the fifth term when a1=4 and r=-3

Respuesta :

jimrgrant1 jimrgrant1
  • 04-05-2021

Answer:

a₅ = 324

Step-by-step explanation:

The nth term of a geometric sequence is

[tex]a_{n}[/tex] = a₁ [tex]r^{n-1}[/tex] then

a₅ = 4 × [tex](-3)^{4}[/tex] = 4 × 81 = 324

Answer Link

Otras preguntas

(b)The sum of n terms of a certain series is 3n² + 10n for all valuesOf n. Find the nth term and show that the series is anarithmetical progression​
7th grade math help me please :(
who created the declaration of independence
Consider the elements carbon, C and silicon, Si. How many electrons does each atom have? How many valence electrons does each atom have? How many core electr
a number is divided into two parts such that one part is 10 more than the other if the two parts in the ratio are5:3, find the number and the two parts.​
How did composers in the Classical period make their music interesting despite its relatively limited harmonic vocabulary?
How many moles would a 3.9 g sample of Calcium Chloride contain?​
Where did the historians who wrote state and national history books get the information for their accounts? A from local people who told their stories B from h
that evening sun common lit answers
There is a picture and it has the question Please help