Infinitely many.
99 of them.
3 and these are 600,650,and 700
550 to 649
550 and 649
999 of them.
Infinitely many.
99 of them.
3 and these are 600,650,and 700
550 and 649
550 to 649
Ten integers can be rounded off to 280. An infinite number of numbers can be rounded off to 280.
999 of them.
It is: 100
3 499
45 to 54
35 to 44
245 to 254