only if you're rounding to the nearest hundred. if you are, then yes it does since 287 is closer to 300 than it is to 200.
however, if you are rounding to the nearest tenth, than it is 290 since it is closer to 290 than it is to 280.
300
It is: 300 because 87 is greater than 50
300
300
300
290 or 300
300
290
300
Find out on WEdnesday, most likely ;)
280 and 287
how many numbers round to 300