What range of numbers round to 670,000 when rounded to the nearest 10,000?
Answer: 665,000 to 674,999
If the number is 1 less than 665,000, it would be 664,999, and, rounded to the nearest 10,000, it would be 660,000. Also, if the number is 1 more than 674,999, the number would be 675,000, which then would round to 680,000. In order to round to 670,000, the population must be in the range of 665,000 to 674,999.