Round off 620,000 to the nearest ten thousand

Can someone me out here number 4 plz

Select the graph of the solution. click until the correct graph appears. |x| = 3

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.