averyrosejj averyrosejj

24-01-2019
Mathematics

contestada

Write the first 3 numbers of the sequence. an=a1r^n-1 an=2(3)^n-1

Respuesta :

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

What is -(7 - 5x) = -2x

Who was the king of scotland in the time of edward 111 of england?

When marx argued that capitalism “reproduces the class structure,” he meant that?

Read "The Tortoise and the Hare." What is the Hare thinking about while he's asleep? In a paragraph of at least three sentences, write a dream sequence to add t

how might a long period of serve heat or cold affect the history of a city or region

There are 8 students who have 3/4 of a cake they want to share. How much will each student get if they split it evenly

Which of the following is the correct definition of barren? Unsuitable for vegetation or unable to support agriculture An area habitable by bears and othe

What can families teach us about feelings and emotions?

What two ways can you find the product of 8x997 using mental math

Select the three nations which claimed land in North America.