averyrosejj averyrosejj
  • 24-01-2019
  • Mathematics
contestada

Write the first 3 numbers of the sequence. an=a1*r^n-1 an=2*(3)^n-1

Respuesta :

gmany
gmany gmany
  • 28-01-2019

Answer:

2, 6, 18

Step-by-step explanation:

[tex]a_n=2(3)^{n-1}\\\\\text{Put n = 1, n = 2 and n = 3 to the equation:}\\\\a_1=2(3)^{1-1}=2(3)^0=2(1)=2\\\\a_2=2(3)^{2-1}=2(3)^1=2(3)=6\\\\a_3=2(3)^{3-1}=2(3)^2=2(9)=18[/tex]

Answer Link

Otras preguntas

Most Presidents are in favor of the line-item veto because it gives them more power over _____.
On which one of the following factors are all government types based
Estimating division 83 into 235
What is the standard unit used to measure mass? cubic meters gram liter meter
With which nation are the lilliputians in conflict in the selection from gulliver’s travels by jonathan swift?
Why was napoleon bonaparte's coup d'état of the french directory in 1799 successful?
Which of the following words comes from a Spanish word? A. lariat B. chap C. boot D. ranch
The strength of the bond holding atoms together determines the hardness of a mineral. which has stronger bonds, your fingernail or a water glass?
When a decimal is written in word form, what indicates that the equivalent form is a mixed number and not a fraction
Adjectives to describe alexander hamilton