What is 468,839 rounded to the nearest hundred thousand?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!