What is the 24th term in -5,-15,-45,-135,-405...
Sure I'd help :)
\( \color{Black}{\Rightarrow -5 \cdot 3^{22} }\) Seems like we'd have a huge number
Thanks I cant remember the equation for it and yeah its suppose to be a big number
Oops it's 3 * 3^(23)
haha Thanks!
Yeah, the nth term in a geometric sequence is \(a \times r^{n - 1}\)
yeah but how should you solve it using that?
i cant plug the numbers in
a is the first term and r is the common ratio. \( \color{Black}{\Rightarrow -5 \times 3^{24 - 1}}\)
n is the nth term
the what term?
We want the 24th term, so we'll plug in n with 24
Got it?
yeah but y page is showing me the answers could be 94,143,178,827 -470715894135
or
-1412147682405 -41943040
Oh lol google
https://www.google.co.in/search?sugexp=chrome,mod=8&ix=h9&sourceid=chrome&ie=UTF-8&q=-5+*+3%5E23
i tried
It has the answer on top
oh okay! Great Thanks!
You're welcome!
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