60005787 60005787

04-08-2017
Mathematics

contestada

Find the first, fourth, and eighth terms of the sequence. A(n)= -2 x 5^n-1

Respuesta :

apologiabiology apologiabiology

04-08-2017

you've got
[tex]A(n)=-2(5)^{n-1}[/tex]

just sub the number of the term to findd the term
first term is A(1)=-2(5)^(1-1)=-2(5)^0=-2(1)=-2
4th is A(4)=-2(5)^(4-1)=-2(5)^3=-2(125)=-250
8th term is A(8)=-2(5)^(8-1)=-2(5)^7=-2(78125)=-156250

Answer Link

Otras preguntas

List all these first to last . Please help will mark Brainly

Jan accidently ran 7 minutes longer than he was supposed to. Write an expression for the total amount of time Jan ran if she was supposed to run m minutes

Recovery heart rate is to determine how fast the heart recovers and should be measured five to ten minutes after vigorous activity. True or False

Is Harry Truman considered a hero or a tyrant for dropping the atomic bombs on Hiroshima and Nagasaki? (need a paragraph)

Find the interest rate for a $4000 deposit accumulating to $5234.58, compounded quarterly for 9 years

please simplify each expression for 18, 20, and 21

Advanced algebra help me answer it

add -ment to the following word. you may use a dictionary

whats the answer pls someone help

Please help me!!!!!!!!!!