3. number sense james has been asked to round 453,215 to the
nearest thousand. which digit and what place will he look at to
decide if he should round up or down?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.