Please hurry.. I'm on a time limit and I need an accurate answer

Describe all the numbers that when rounded to the nearest thousand are 645,000

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Issof claims that the scale factor is 1/2. which statement about his claim is correct