Question

on monday Sheldon brewed 1 bottle of tonic, on tuesday he brewed 4 bottles, wednesday he brewed 9 and thursday 16. How many bottles did he brew on friday? Is it 30??

I'm 10 years old
thanks
bobpursley
This looks like the sequence of squares,
1 squared
2 squared
3 squared
4 squared
and next.....
samantha
I don't understand your answer?
bobpursley
squaring something is multiplying it by itself. For instance, 3 squared is 3 x 3 or 9.
samantha
Thank you very much. Sorry