Help pls

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

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.