It is 7500
Oh, dude, the halfway number between 6000 and 7000 is 6500. It's like right smack in the middle, you know? So, if you're ever lost in the vast numerical wilderness between 6000 and 7000, just remember to set up camp at 6500 and you'll be golden.
8000
7500, because 7499 rounds to 7000
It is: 8000
the increase from 7000 to 8000 is 1000
5000
8000-500=7500.
8000
7000 + 1000 is 8000.
7,000
This means the nearest multiple of 1000. Multiples of 100 are 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000... etc. To round to the nearest thousand, you identify which of these values is closest to 7533. 7533 is in between 7000 and 8000, but closer to 8000, so your answer would be 8000.