Which of the following expressions cannot be written as an integer? -30
18
3
1.2 x 102
149
​

1.2 x 102

Step-by-step explanation:

An integer is an whole number. It is not a fraction or a decimal.

Types of Integers

1. Positive integers e.g. 18, 3, 149

2. Negative integers e.g. -30

3. Zero integers e.g. 0

1.2 x 102 = 122.4. 122.4 is not an integer because it is not a whole number

you are saying it as if a fact, not a question, but yes, you would be correct? ; )

step-by-step explanation:

-6 is the correct option from the above given options