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

What does "Biribi besi" mean?​
Which of the following equations is an example of the Associative Property of Addition?
How many atoms are there in 5.20 mil of hafnium. Please help due in 1hr
can someone pls pls help me ?
The table and the graph below each show a different relationship between the same two variables, x and y: How much more would the value of y be on the graph tha
What causes the plates in Earth's crust to move? 0 Ocean currents O Solar energy Convection cells O Sea floor spreading
Anyone can help ?I'm from Indonesian :)​
Emily has plum trees in her backyard. Eeach year she uses the fruit to make jelly. Here are the ingredients for her recepie. 4 pounds of pluma 3 pounds of sugar
PLEASE HELP ASAP Use the figure to complete the following trigonometric ratios.
Why did Van Buren want to create a national treasury?