23-06-2020
Mathematics

contestada

The first two terms of a geometric sequence are a1 = 1 and a2 = 3. Find a4, the fourth term of the sequence. Question 1 options: A) 81 B) 27 C) 243 D) 9

Respuesta :

devishri1977 devishri1977

23-06-2020

Answer:

B)

Step-by-step explanation:

Common ratio = a2/a1 = 3/1 = 3

[tex]a_{n}=ar^{n-1}\\\\a_{4}=1*3^3\\\\ = 27[/tex]

Answer Link

Otras preguntas

Which of the rock samples below is most likely to be a metamorphic rock?

Jose is afraid to ask tina on a date because he fears she will say no . Jose is experiencing A. Negative self talk B. Negative attitude C. Self confident D.pos

I am having trouble graphing exponential functions. Can someone help me.

I have my geometry midterm on Friday and I don't know how to do this problem. Someone help?

How has a process in nature been used as a medical intervention?

what is the domain of {(4,1),(6,2)(8,8)}

Billy wrote this equation to represent the total number of apples he had in two baskets. 25 = 12 + a Which situation could be described by this equation? A. Bi

For the first 150 years of its history, the united states avoided becoming involved with other countries. what is this policy called?

Put in order from least to greatest two thirds 25% 3/5

Which political group did dante oppose?