In New Jersey, a survey of students in Mrs. Camp's 10th grade class reported that 45.8% said they had a pet. There are 28 students in her class, and the average number of students in 10th grade classes in New Jersey is 28. If there are 1500 10th grade classes in New Jersey, what is the best estimate of the the number of 10th grade students in New Jersey who have a pet? Round your answer to the nearest hundred.