What is the maximum amount of variables in a exponential equation a.1 b.2 c.3 d.0

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