Three.
how many numbers round to 300
55
An infinite amount, because 200 could be closer to any number than any other number, and therefore you round to 200. It all depends what other number you choose and what number you are starting at. Say you are rounding from 4000 and to either 200 or 2,534,592; you will round to 200 because it is closer, and following that logic, many other numbers round to 200. In fact, an infinite amount do.
999 are whole.
An infinite number.
1000 numbers. From 19,500 to 20,499 all round to 20,000
430
Three.
Infinite
how many numbers round to 300
All of them. Different numbers have different numbers of factors.
500
Four of them.
55
1,2,4,8,16, so 5
An infinite amount, because 200 could be closer to any number than any other number, and therefore you round to 200. It all depends what other number you choose and what number you are starting at. Say you are rounding from 4000 and to either 200 or 2,534,592; you will round to 200 because it is closer, and following that logic, many other numbers round to 200. In fact, an infinite amount do.