Pls delete this account

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

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Aphrase is shown read the phrase and give me the answer