What is the answer to 500 x22.12

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

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

(x-5)1/2+5=2 what is possible solution of this equation