cieraclevenger06 cieraclevenger06
  • 01-08-2016
  • Mathematics
contestada

Find the 1st, 4th and 8th terms of the sequence.
A(n)=-5*2^n-1

Respuesta :

dalendrk
dalendrk dalendrk
  • 01-08-2016
[tex]a_n=-5\cdot2^{n-1}\\\\a_1=-5\cdot2^{1-1}=-5\cdot2^0=-5\cdot1=-5\\\\a_4=-5\cdot2^{4-1}=-5\cdot2^3=-5\cdot8=-40\\\\a_8=-5\cdot2^{8-1}=-5\cdot2^7=-5\cdot128=-640\\\\Answer:\boxed{a_1=-5;\ a_4=-40;\ a_8=-640}[/tex]
Answer Link

Otras preguntas

Fill in the blank: Do the boys buy the ticket? ¿ _____ los chicos el _____?
What are the verbal phrases in the following sentences. Identify the phrase as a participle, a gerund, or a verb. 1. After arguing with the captain of his vesse
you need 10,000 to pay for your final college tuition. you find a loan it is compounded quartely at 6.25% for 10 years. how much will the loan actually cost you
The lungs are the major structures of which human body system? *
Help me again guys plz
Which element in a story can be helpful in understanding the story’s theme
In a survey of high school students, nearly half of the students surveyed believed that when a woman says "no" to a sexual advance, she doesn't really mean it.
Who was william lloyd garrison? how did he and other abolitionists change conceptions of race in american society?
What is the solution to 8^x = 3^ x+2
What is the greatest common factor of 24 and 40?