In your own words explain how to round 9660 to the nearest thousand

9660 rounded to the nearest thousand.

first, find the number in the thousands place. It is the 9. Now look to the number directly to the right of it. 
** if that number is 5 or above, u round the 9 up to 10.
** if that number is 4 or below, that 9 stays the same.

that number directly to the right of 9 is 6. It is above 5, therefore, u round the 9 up to a 10.

so 9660 rounded to the nearest thousand is 10,000. Because , after all, 9660 is closer to 10,000 then it is to 9000.