Question

find the 20th term of {270,90,30,10,....] I found the ratio is 3 what do I do find the 20th term

Answer 1

\[270\times(\frac{1}{3})^{19}\]

Answer 2

or if you prefer
\[\frac{270}{3^{19}}\] btw the common ratio is \(\frac{1}{3}\) and not \(3\)

Answer 3

can you draw it out I cant understand what you typed

Answer 4

nevermind got it

Answer 5

thank you