Can someone help me on this plz

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

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

Which one is the correct answer, and why?