Homework Help: Math - Geometry

Posted by Daniel on Sunday, October 17, 2010 at 10:46pm.

Please help! Need to find the 6th and nth terms in this sequence - and solve for the rule or process.

here's the sequence:

1,3,9,27,81

What is the process or formula to get the nth term in the sequence.
Thanks!

Math - Geometry - Jen, Monday, October 18, 2010 at 12:30am
You are multiplying the previous number by 3.
Math - Geometry - Bosnian, Tuesday, October 19, 2010 at 1:25pm
Numebers is previous number multiplied with 3
6th term 81*3=243

nth term

an=a*r^(n-1) Remark: a=1 , r=3
an=1*3^(n-1)
an=3^(n-1)

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