alyssadurant alyssadurant
  • 23-03-2020
  • Mathematics
contestada

If a1 = 10 and an = 3an-1 then find the value of a6.

Respuesta :

Danboghiu66
Danboghiu66 Danboghiu66
  • 23-03-2020

Answer:

a(6)=2430

Step-by-step explanation:

a(1)=10

a(n)=3×a(n-1)

This is a geometric sequence, with ratio=3

a(2)=3×a(1)=3×10

a(3)=3×a(2)=3²×10

a(6)=3⁵×20=(27×9)×10=243×10=2430

Answer Link

Otras preguntas

How many ways can 7 students be selected from an organization of 30 to attend a national conference? Determine the number of possibilities for selection. Expres
Maricela is talking on her cell phone, describing what people are wearing to the party. Complete her statements with the correct form of the adjective in paren
−1/5 (x + 1 3/4) = −2 1/2 A. x = 21 1/4 B. x = 14 1/4 C. x = 10 3/4 D. x = 3 3/4
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Sorry, ignore the other question I had on here, that was a typo. How do you find the positive/negative intervals of f(x) = 3/(x + 5) ? Please show in full detai
A unit cube could be 6 units long by 6 units wide by 6 units tall. True or false?
whats the true religion
HELP GIVING BRAINLIEST (NO LINKS) 50 POINTS Expression A: 2(x + 1) Expression B: 2x + 2 which statement does not show that these expressions are equivalent A.
NEHunt sells artifacts from small handicraft shops around the world. It provides a medium to sell various products with a secure payment system. It showcases pr
8 I am 8 yeard old, my father is24 years older than iam ,how old was my father 5 years ago?​