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

Solve mathematics question: In photo:) Second:)
which type of volcano does not form a mountain
A cylinder has a volume of 321 cubic units. If a cone has the same height and radius as the cylinder, what is the volume in cubic units? A.107 cubic units B.214
A bill is given a number read twice and sent to a standing committee. What does this describe
The composition Rx T -2.4 is performed on BC. What are the coordinates of B'' and C''? A.B''(–1, –9), C''(3, –6) B.B''(–1, –1), C''(3, 2) C.B''(1, 9), C''(–3, 6
Which of the following means the same as concurrent powers
Valerie sold 6 tickets to the school play and mark sold 16 tickets. What is the ratio of the number of tickets Valerie sold to the number of tickets mark sold
What is x^2+x-20=0. please help
Which type of lines match these equations (2/3)x =(5/3)y 2x-5y=0
Sixty percent of Company A’s employees are considered top performers. Fifty five percent of Company A’s employees are in a rigorous training program. Assuming t