Pls help branliest if right

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

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Find the distance between (7,-6) and (-3,-9)