Each number is mutliplied by 3 and then numbers 2,3,4,5,... are added successively.
2*3+2=8
8*3+3=27
27*3+4=85
85*3+5=260
260*3+6=786
So it's 786.
Btw, the general formula for this sequence is
What is the average time it took for the tablet to dissolve in room temperature water?
2 answers:
You might be interested in
