-200 is already a round number.
200
200
-200
It is rounded to 200.
200
200 rounds to 200.00
It is: 200
two negative numbers adding together acts somewhat as addition so... -50 + (-200) = -250
-100 + 200 = 100
Since 3 (the digit were rounding) is less than 5, the number in which we would round up, 239 would round down to 200
500
Round it to about $200