27,243,6561 I think..might be wrong
Step-by-step explanation:
1,3,3,9,27,243,6561
because the first sequences were probably done by being multiplied by each other so for example:
1x3=3
3x3=9
the other 3 could be:
3x9=27
27x9=243
243Ă—27=6561
89
step-by-step explanation: