Question 1151515: Hi yes i need the 100th and the nth term
1,4,16,64,256
Answer by MathLover1(20850)   (Show Source):
You can put this solution on YOUR website!
the  th and the  th term
 , , , ,
Let's examine sequence so that we can find a formula to express its th term. It looks like geometric sequence.
let see what is the fixed number, called the common ratio ( ) :
 or
so, the common ratio is 
and, the th term formula will be 
check given terms:
 .......if  ,  ->true
 ...=>if  , ->true
 ...=> if , ->true
 ...=>if  , ->true
 ...=>if  , ->true
so, it is the th term formula:
 (for all terms given)
the th term is:
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