I am a perv! do i deserve to be loved?​

Ineed in figuring out this problem.

What is the simplified form of square root of 400 to the 100th power ?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.