Please help): Dont give a link because its not working. Estimate the product of 408 - 52 by first rounding each number to the nearest ten.
A: 20,000
B: 460
C: 450
D: 20, 500​

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.