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

A patent facilitates a government-approved technological monopoly by
Each deli sandwich made uses 1/4 pound of roast beef. Marisa started with 5 pounds of roast beef and now has 3/4 pounds left. How many deli sandwiches did she m
Fourteen is 28% of what number? A. 7 B. 50 C. 14 D. 42
how did life in the middle colonies compared to life in New England
The Tennis Court Oath was a promise to _______. a. write a constitution c. to end the powers of the nobility b. to remove the king d. to begin taxing the cl
What happened on July 14, which is Bastille Day? a. 29 women marched all the way to Versailles. b. A mob stormed a prison looking for gunpowder. c. Robespier
What's the answer witch ones r composite 14 15 16 17 18 19 20 21
Original band members of KISS
Why was the Monroe Doctrine written? The answers are A) To close America to any European colonization B) To end slavery C) To form Indian reservations D)
Magnetism can be considered a ____________ (physical/chemical) property.