Question

Consider the sequence 2, 6, 18, 54, 162, . . . If

the 77th term is a and the 80th term is b, what is

the value of b/a?

Answer 1

tips?

Answer 2

so multiplying by 3

Answer 3

2*3^n

Answer 4

with 0 term = 2

Answer 5

I got 2 times 3 to the 79th and 2 times 3 to the 76th

Answer 6

the answer is 27

Answer 7

but I got 54

Answer 8

2 times 3 to the third=54

Answer 9

oh dude

Answer 10

tips?

Answer 11

54/2

Answer 12

how?

Answer 13

77,78,79,80

Answer 14

0,1,2,3,4

Answer 15

ahh

Answer 16

wait

Answer 17

lolololol

Answer 18

just 3 to the third?

Answer 19

not 2 times 3 to the third?

Answer 20

it's saying b/a

Answer 21

because of division?

Answer 22

the 2's cancel

Answer 23

then you're left with exponents

Answer 24

2 times 3 to the 79th/2 times 3 to the 76th=3 to the 3th?

Answer 25

yes. i think

Answer 26

basically look above... term 0 is 2 term 4 is 54

Answer 27

Next problem :)