Answer:
"multiply the previous value by 3"
Step-by-step explanation:
We can easily see the pattern if we look at the 2nd, 3rd, 4th terms.
- What makes 1 into 3? Of course, multiplying 1 by 3 gives us 3.
- What makes 3 into 9? Same, multiplying 3 by 3 gives us 9.
Now, we can see 1st and 2nd terms (which wasn't that apparent for some). Does multiplying 1/3 by 3 give us 1? INDEED, it does!
So the rule is "multiplying the previous term by 3".
