Yes, -19 is an integer. An integer is any whole number, whether positive, negative, or zero. In this case, -19 is a negative whole number, making it an integer.
You can't write a non-integer as an integer. You can round it to the closest integer if you like, but it's not exactly the same number.
12
You would round it to 25.
To which decimal place? Closest Integer: 0 Closest Tenth: .1 Closest Hundreth: .10
321 is an integer, so the closest integer would be 321. (If 321 itself doesn't count, 322 and 320 are the same distance from it, and are the next closest.)
No - 0.8 is a decimal number, not an integer. The closest integer is 1.
8 is an integer, so the answer is 8
An integer is a whole number so the answer is 4.
It is 40 because -19+40 = 21
You can't write a non-integer as an integer. You can round it to the closest integer if you like, but it's not exactly the same number.
-132
12
You would round it to 25.
0.2 is the closest that you will get. The nearest integer, though, is 0.
The closest integer larger than 4000 is 4001.
No - an integer is a whole number - the closest integers to 12.5 are 12 and 13.