To solve the expression "2*2 - 98:34", we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
First, let's solve the division. 98 divided by 34 equals 2.8823 (approximately).
Now, the expression becomes: 2*2 - 2.8823
Next, multiply 2 by 2 to get 4.
Finally, subtract 2.8823 from 4 to get 1.1177 (approximately).
Therefore, the result of the expression "2*2 - 98:34" is approximately 1.1177.