Question 568527: not getting the understanding of these problems and they need to be self explanatory to me.
8,11,14,17,20
1,16,81,256,625
5,15,45,135,405
2,7,12,17,22
1,1/2,1/4,1/8,1/16
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! Hints:
8,11,14,17,20 -- adding 3 each time
1,16,81,256,625 -- 1 = 1^4, 16 = 2^4, 81 = 3^4, ...
5,15,45,135,405 -- multiplying by 3 each time
2,7,12,17,22 -- adding 9 each time
1,1/2,1/4,1/8,1/16 -- dividing by 2 each time
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