Twenty eight of them
28
28
2
27
280/10 = 28
280 of them.
28
280/5 = 56
280
0
100,000 tens.
281 to the nearest tens is 280
283 rounded of to the nearest tens is 280 and when rounded to the nearest hundreds is 300.
9 times with a remainder of 10
280 times
It is: 280/30 = 9 with a remainder of 10