SOLUTION: 7, 21, 8, 72, 9, ?

Algebra.Com
Question 867271: 7, 21, 8, 72, 9, ?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
There are many possibilities.

RELATED QUESTIONS

7, 21, 8, 72, 9,... (answered by JulietG)
7, 21, 8, 72, 9, ? 2, 7, 26, 101, 400,... (answered by Edwin McCravy)
3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9,... (answered by crabbyoldgamer,Shin123)
3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9,... (answered by greenestamps,Shin123)
3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9, ? (answered by greenestamps,Alex.33)
3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9,... (answered by ikleyn)
3, -6, 12, 4, 20, ? 7, 16, 8, 27, 9, ? 2, 7, 26, 101, 400, ? 7, 21, 8, 72, 9,... (answered by ikleyn)
7, 21, 8, 72, 9, ? What completes the sequence 81 243 123 136 (answered by Edwin McCravy)
7, 21, 8, 72, 9 What's the answer? 81 243 123 136 (answered by Alan3354)