xxwhoisyou xxwhoisyou
  • 19-02-2021
  • Mathematics
contestada

Write an
explicit formula for
an,
then
th
term of the sequence 100, 20, 4, ....

Respuesta :

jcherry99
jcherry99 jcherry99
  • 19-02-2021

Answer:

Step-by-step explanation:

a1 = 100

r = 1/5

an = 100 (1/5)^(n - 1)

Try it. We have the answer for a_3

a_3 = 100 * (1/5)^(3 - 1)

a_3 = 100 * (1/5)^2

a_3 = 100 * 1/25

a_3 = 4  which is just what the series says should be the answer.

Answer Link

Otras preguntas

hola! Me llamo katia y mi cumpleanos es el veinte de enero. Como te llamas?
what influences did the battle of new orleans have onthe rest of the war?
Bob and mark talk about their families. No says he has 3 kids, the product of their ages is 72. He gives another clue: the sum of the ages of his children. Mark
Why is the time period from 750 –1300 CE referred to as the “Golden Age of Islam"?
Need help, thank you! How does the poet use figurative language to portray the violets? ~~She uses the violets as a symbol of death and decay because they las
What does the speaker mean by the line "Nor hungry wolves at him shall catch" in the poem "As Weary Pilgrim, Now at Rest"?
What is x to the power of 3 divided by x to the power of -5
During the 1930's the leaders of Japan, Germany, and Italy made war more likely by A)engaging in submarine warfare. B)refusing to join the League of Nations.
What are 3 mistakes napoleon makes? What are the reasons behind them and their result
Jerry needs to run some wire in his bedroom. The room is 10 feet by 12 feet. he is going to run the wire from one corner to the opposite corner. How far is it b