Help me? idk how to do this

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25