Round each number to the nearest thousand. 1,239 and 8,568

1,000 and 8,000
1,000 and 8,000

1,000 and 9,000
1,000 and 9,000

2,000 and 9,000
2,000 and 9,000

2,000 and 8,000

The answer is 1,000 and 9,000

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.