Which of the following is an integer?

-50

-1/2

-.5

-.50

-50

Step-by-step explanation:

We are given four values : - 50, - 1/2, - 0.5 and - 5.0

We are required to find the integer value out of these.

Let us consider the values one at a time.

1) - 50 is an integer with negative value.

2) - 1/2 is a fraction which is not an integer.

3) - 0.5 is a negative decimal number which is not an integer.

4) - 5.0 is a negative real number which is not an integer.

So among the given values, only the first value, namely, - 50 is an integer.