Answer:
50,000
Explanation:
Well first will you have to do is you look at the the number in the thousands place and you see is it 5 or up or 4 down if it's 5 or up and you round up to the to the next number but it if it isn't 5 and up but for and down then you don't round up you keep it the same number and you change every single number after that to 0.