12 399 rounded to the nearest 10 is 12 400 37 548 rounded to the nearest 1000 is 38 000
45.996 rounded to two decimal places is 45.00
39.9501 rounded to one decimal place is 39.9

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20