Somebody please help me

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

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?